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Dick, H. B., Schultz, T., Lesieur, G., Morselli, S., Toso, A., Alio, J. L., . . . Johansson, B. (2019). Evaluation of clinical outcomes following implantation of a sub-2-mm hydrophilic acrylic MICS intraocular lens. International ophtalmology, 39(5), 1043-1054
Open this publication in new window or tab >>Evaluation of clinical outcomes following implantation of a sub-2-mm hydrophilic acrylic MICS intraocular lens
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2019 (English)In: International ophtalmology, ISSN 0165-5701, E-ISSN 1573-2630, Vol. 39, no 5, p. 1043-1054Article in journal (Refereed) Published
Abstract [en]

PURPOSE: To evaluate clinical outcomes following sub-2-mm microincision cataract surgery (MICS) and intraocular lens (IOL) implantation.

SETTING: Five EU clinical sites.

DESIGN: Prospective, multicenter, open-label, single-arm, non-randomized.

METHODS: Preoperative assessment involved visual acuity (VA), intraocular pressure and biometry measurements. 1.4-mm wound-assisted or 1.8-mm MICS was performed. Follow-up visits were made 1 day, 1-2 weeks, 1-2 and 4-6 months after surgery. The incision size, corrected distance VA (CDVA), uncorrected distance VA, manifest refraction spherical equivalent (MRSE), refraction predictability/stability and IOL decentration were assessed. At 12-, 18-, and 24-month, long-term centration, posterior capsular opacification (PCO) and Nd:YAG capsulotomy rates were investigated.

RESULTS: A total of 103 eyes were implanted with the study IOL (INCISE, Bausch & Lomb), 96 of which were included in visual outcome analysis. A mean 6-month CDVA of - 0.02 logMAR (20/20 + 1) was observed and 75 eyes (79.8%) and 93 eyes (98.3%) achieved a visual acuity of at least 20/20 or 20/40. Mean MRSE was - 0.20 ± 0.60 D. Mean absolute predictive error was 0.44 ± 0.36 D, with 90.4% within 1.00 D of target. Mean total decentration was 0.35 ± 0.36 mm at 6 months and 0.32 ± 0.14 mm at 24 months (p > 0.05). 24-month evaluation of posterior capsular opacification score was 0.03 for the central area. A Nd:YAG rate of 3.4% was observed at 24 months.

CONCLUSIONS: The new MICS IOL provided excellent visual outcomes and was safe and effective for the sub-2-mm procedure. The MICS IOL demonstrated long-term centration, stability and a low rate of PCO development.

Place, publisher, year, edition, pages
Springer Netherlands, 2019
Keywords
Implantation, Intraocular lens, Microincision cataract surgery
National Category
Ophthalmology
Identifiers
urn:nbn:se:liu:diva-153462 (URN)10.1007/s10792-018-0905-3 (DOI)000467649400009 ()29654574 (PubMedID)2-s2.0-85045259988 (Scopus ID)
Available from: 2018-12-19 Created: 2018-12-19 Last updated: 2019-06-22Bibliographically approved
Czajka, M. P., Frajdenberg, A. & Johansson, B. (2014). Outcomes after combined 1.8-MM microincision cataract surgery and 23-gauge transconjunctival vitrectomy for posterior segment disease: a retrospective study. Retina, 34(1), 142-148
Open this publication in new window or tab >>Outcomes after combined 1.8-MM microincision cataract surgery and 23-gauge transconjunctival vitrectomy for posterior segment disease: a retrospective study
2014 (English)In: Retina, ISSN 0275-004X, E-ISSN 1539-2864, Vol. 34, no 1, p. 142-148Article in journal (Refereed) Published
Abstract [en]

PURPOSE:

The aim of the study was to retrospectively review indications, intraoperative and postoperative complications, and outcomes of combined coaxial microincision cataract surgery and 23-gauge vitrectomy for posterior segment disease.

METHODS:

The outcomes and findings of surgery in 50 patients (50 eyes) who underwent coaxial microincision cataract surgery and foldable intraocular lens implantation combined with 23-gauge vitrectomy for a variety of indications between January 2010 and March 2012.

RESULTS:

No posterior capsule tear was observed during surgery. Intraoperatively, a retinal break was found in 9 eyes (18%), which were successfully treated with laser and/or cryotherapy. Corneal suture was done in 6 eyes (12%), 5 of them left and 1 right. Sclerotomy was sutured in 2 left and 2 right eyes, respectively, a total of 4 eyes (8%). In 1 case, 23-gauge vitrectomy was converted to 20-gauge vitrectomy. The postoperative intraocular pressure (millimeters of mercury, mean ± standard deviation) was 16.7 ± 9.8. Hypotony (intraocular pressure < 9 mmHg) occurred in 9 eyes (18%). In 1 eye (2%) posterior iris synechia were observed 2 weeks after surgery, and intraocular pressure was >40 mmHg. Intraocular pressure was normalized after Nd:YAG laser iridotomy. Fibrin reaction in the anterior chamber was observed in 1 eye (2%) Day 1 after surgery. Posterior capsule opacification, which required Nd:YAG laser capsulotomy, was observed in 11 eyes (22%) during the follow-up.

CONCLUSION:

Combined sutureless coaxial microincision cataract surgery and 23-gauge vitrectomy offers the advantages of both coaxial microincision cataract surgery (less wound leakage, good anterior chamber stability, and safety) and 23-gauge vitrectomy (decreased inflammation and faster rehabilitation after surgery).

Place, publisher, year, edition, pages
Lippincott Williams & Wilkins, 2014
Keywords
cataract; microincision; phacoemulsification; phacovitrectomy; vitrectomy
National Category
Ophthalmology
Identifiers
urn:nbn:se:liu:diva-108818 (URN)10.1097/IAE.0b013e3182947b29 (DOI)000336958700022 ()23807183 (PubMedID)2-s2.0-84891841452 (Scopus ID)
Available from: 2014-07-07 Created: 2014-07-06 Last updated: 2017-12-05Bibliographically approved
Johansson, B. (2010). Clinical consequences of acrylic intraocular lens material and design: Nd:YAG-laser capsulotomy rates in 3 x 300 eyes 5 years after phacoemulsification. BRITISH JOURNAL OF OPHTHALMOLOGY, 94(4), 450-455
Open this publication in new window or tab >>Clinical consequences of acrylic intraocular lens material and design: Nd:YAG-laser capsulotomy rates in 3 x 300 eyes 5 years after phacoemulsification
2010 (English)In: BRITISH JOURNAL OF OPHTHALMOLOGY, ISSN 0007-1161, Vol. 94, no 4, p. 450-455Article in journal (Refereed) Published
Abstract [en]

Background/aims To investigate the incidence of Nd:YAG-laser treatment for posterior capsular opacification (PCO) over a period of 5 years from phacoemulsification in an unselected population, comparing outcomes for three acrylic intraocular lenses (IOLs). Methods Retrospective longitudinal cohort study comprising 900 eyes. Three subgroups of 300 eyes, receiving the AR40, AR40e (Abbott Medical Optics, Santa Ana, California), or BL27 (Bausch andamp; Lomb, Rochester, New York) IOL respectively, were compared. Data on patient age, gender, IOL type, dates of cataract surgery, Nd:YAG-laser treatment and/or death, and visual acuities before/after cataract surgery/Nd:YAG-laser treatment were collected from five sources: cataract operation register, patient administration system, quality control system for cataract operations, Nd:YAG-laser treatment register and clinical patient records. Results 216 eyes (24%) received Nd:YAG-laser treatment over a 5-year period. Statistically significant differences (pandlt;0.001, chi(2) test) were found between treatment rates for the three IOLs: AR40 73 eyes (24%), BL27 91 eyes (30%) and AR40e 52 eyes (17%). Eyes of patients who died during the follow-up period had fewer treatments (23/266, 8.6%) than eyes of patients living (193/634, 30%) at the end of the follow-up period. Conclusion In comparison with a hydrophobic acrylic IOL with sharp posterior optic edge, a hydrophilic acrylic IOL was associated with almost twice the number of Nd:YAG-laser treatments over the 5-year period. The results are useful for discussing the economic long-term consequences of choosing an IOL with a design that makes PCO development more or less likely. Caution is advised when applying data from post-mortem PCO studies on living populations.

Place, publisher, year, edition, pages
BMJ Publishing Group, 2010
National Category
Medical and Health Sciences
Identifiers
urn:nbn:se:liu:diva-56305 (URN)10.1136/bjo.2009.166181 (DOI)000276841900013 ()
Available from: 2010-05-07 Created: 2010-05-07 Last updated: 2014-12-03
Johansson, B. (2010). Simultaneous bilateral cataract surgery: pro. Canadian journal of ophthalmology, 45(6), 572-573
Open this publication in new window or tab >>Simultaneous bilateral cataract surgery: pro
2010 (English)In: Canadian journal of ophthalmology, ISSN 0008-4182, E-ISSN 1715-3360, Vol. 45, no 6, p. 572-573Article in journal, Editorial material (Other academic) Published
Place, publisher, year, edition, pages
Elsevier, 2010
National Category
Medical and Health Sciences
Identifiers
urn:nbn:se:liu:diva-66146 (URN)10.3129/i10-102 (DOI)000287218300002 ()21135890 (PubMedID)2-s2.0-78650432592 (Scopus ID)
Available from: 2011-03-04 Created: 2011-03-04 Last updated: 2017-12-11Bibliographically approved
Lundstrom, M., Behndig, A., Montan, P., Artzen, D., Jakobsson, G., Johansson, B., . . . Stenevi, U. (2009). Capsule complication during cataract surgery: Background, study design, and required additional care Swedish Capsule Rupture Study Group report 1. JOURNAL OF CATARACT AND REFRACTIVE SURGERY, 35(10), 1679-1687
Open this publication in new window or tab >>Capsule complication during cataract surgery: Background, study design, and required additional care Swedish Capsule Rupture Study Group report 1
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2009 (English)In: JOURNAL OF CATARACT AND REFRACTIVE SURGERY, ISSN 0886-3350, Vol. 35, no 10, p. 1679-1687Article in journal (Refereed) Published
Abstract [en]

PURPOSE: To report the selection procedure of complicated and uneventful cataract extractions included in the Swedish Capsule Rupture Study and to describe the additional care required after a capsule complication during cataract surgery. SETTING: Ten ophthalmic surgery departments in Sweden. METHODS: Consecutive cataract extractions with a reported capsule complication were selected from the national database. Surgical data and data from the matching ophthalmic records at the participating clinics were analyzed. Controls were selected as the first uneventful procedure in the database after each procedure with a complication. RESULTS: Data on 655 cataract extractions were studied for evaluation of risks and additional care; a capsule complication occurred in 324 procedures and no complication in 331 procedures. Using these records, 369 patients were recruited for a follow-up examination of the outcomes 3 years after the original cataract extraction. The records showed a substantial increase in additional care after a capsule complication, including more visits after surgery, increased need for in-patient care, and a significantly greater percentage of reoperations than after the uneventful surgery. With additional care, the average cost of a procedure with a capsule complication was approximately double the cost of an uneventful cataract extraction. CONCLUSIONS: The combined study of the database and matching medical records showed a substantial increase in additional care after a capsule complication. Using the database allowed identification of a large number of capsule complication cases and uneventful cases, indicating that national databases are excellent sources of data for studying unusual complications.

National Category
Medical and Health Sciences
Identifiers
urn:nbn:se:liu:diva-51474 (URN)10.1016/j.jcrs.2009.05.025 (DOI)
Available from: 2009-11-04 Created: 2009-11-04 Last updated: 2009-11-04
Johansson, B., Lundström, M., Montan, P., Stenevi, U. & Behndig, A. (2009). Capsule complication during cataract surgery: Long-term outcomes. Journal of cataract and refractive surgery, 35(10), 1694-1698
Open this publication in new window or tab >>Capsule complication during cataract surgery: Long-term outcomes
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2009 (English)In: Journal of cataract and refractive surgery, ISSN 1873-4502, Vol. 35, no 10, p. 1694-1698Article in journal (Refereed) Published
Abstract [en]

PURPOSE: To describe the long-term outcomes after cataract extractions with a capsule rupture included in the Swedish Capsule Rupture Study. SETTING: Ten ophthalmic surgery departments in Sweden. METHODS: From the cohort of patients originally selected for inclusion in the Swedish Capsule Rupture Study, cases with a capsule complication (study group) and cases without a complication (control group) were examined approximately 3.5 years postoperatively. Visual acuity and objective and subjective parameters were registered. RESULTS: The study group comprised 171 patients and the control group, 198 patients. Patients with a capsule complication had a significantly worse visual outcome and a doubled risk for no improvement in preoperative visual acuity. Pupil distortion, iris damage, synechias, and subjective complaints related to the eye were significantly more common in patients with a capsule complication. CONCLUSION: Capsule complications decreased the probability of good postoperative visual acuity and in general yielded a worse long-term outcome after phacoemulsification surgery.

National Category
Medical and Health Sciences
Identifiers
urn:nbn:se:liu:diva-21344 (URN)10.1016/j.jcrs.2009.05.027 (DOI)19781461 (PubMedID)
Available from: 2009-10-01 Created: 2009-10-01 Last updated: 2009-10-01
Johansson, B., Sundelin, S., Wikberg-Matsson, A., Unsbo, P. & Behndig, A. (2007). Visual and optical performance of the Akreos Adapt Advanced Optics and Tecnis Z9000 intraocular lenses: Swedish multicenter study. Journal of cataract and refractive surgery, 33(9), 1565-1572
Open this publication in new window or tab >>Visual and optical performance of the Akreos Adapt Advanced Optics and Tecnis Z9000 intraocular lenses: Swedish multicenter study
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2007 (English)In: Journal of cataract and refractive surgery, ISSN 0886-3350, E-ISSN 1873-4502, Vol. 33, no 9, p. 1565-1572Article in journal (Refereed) Published
Abstract [en]

Purpose

To compare the subjective visual and objective optical performance of 2 aspherical intraocular lenses (IOLs), the Akreos Adapt Advanced Optics (AO) (Bausch & Lomb, Inc.) and the Tecnis Z9000 (Advanced Medical Optics, Inc.).

Setting

Four university hospitals in Sweden.

Methods

This study comprised 80 patients, 20 each from 4 university hospital centers in Sweden. All patients had bilateral clear corneal phacoemulsification with implantation of an Akreos Adapt AO IOL in 1 eye and Tecnis Z9000 IOL in the other eye according to a randomization protocol. Preoperatively, 90% contrast Early Treatment Diabetic Retinopathy Study (ETDRS) visual acuity was measured and the mesopic pupil sizes were determined. Ten to 12 weeks postoperatively, 12.5% and 90% contrast ETDRS visual acuities and photopic and mesopic Functional Acuity Contrast Test chart contrast sensitivities were determined. Wavefront analysis was performed with the Zywave II aberrometer (Bausch & Lomb, Inc.), and a questionnaire on the subjective quality of vision was completed by each patient.

Results

The Akreos AO IOL and Tecnis Z9000 IOL produced similar high- and low-contrast visual acuities as well as photopic and mesopic contrast sensitivities. The Tecnis Z9000 IOL resulted in lower spherical aberrations of the eye (mean 0.05 ± 0.13 μm versus 0.35 ± 0.13 μm root mean square, 6.0 mm pupil) (P<.001); however, the Akreos AO IOL provided a larger depth of field (mean 1.22 diopter [D] ± 0.48 [SD] versus 0.86 ± 0.50 D, 6.0 mm pupil) (P<.001). Patient satisfaction was generally high, although 68.8% of the patients reported some type of visual disturbance postoperatively. Twenty-eight percent of patients reported better subjective visual quality in the Akreos AO eye and 14%, in the Tecnis Z9000 eye (P<.0001). Accordingly, 33% perceived more visual disturbances in the Tecnis Z9000 eye and 11%, in the Akreos AO eye (P<.0001).

Conclusions

Maximum reduction of spherical aberration did not maximize subjective visual quality. The higher perceived quality of vision with the Akreos AO IOL could be because of differences in depth of field, IOL material, or IOL design.

National Category
Medical and Health Sciences
Identifiers
urn:nbn:se:liu:diva-48833 (URN)10.1016/j.jcrs.2007.05.025 (DOI)
Available from: 2009-10-11 Created: 2009-10-11 Last updated: 2017-12-12Bibliographically approved
Johansson, B. (2006). A Study of Some Temporal Properties of the Human Visual Evoked Potential, and Their Relation to Binocular Function. (Doctoral dissertation). Institutionen för nervsystem och rörelseorgan
Open this publication in new window or tab >>A Study of Some Temporal Properties of the Human Visual Evoked Potential, and Their Relation to Binocular Function
2006 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

As disturbed binocular functions in small children may lead to severe amblyopia it is of interest to detect it as early as possible. Most tests for binocular functions, however, demand active cooperation and may be unreliable in children up to 4-5 years of age. This study therefore aims to employ visual evoked potentials (VEP) to enable the examiner to evaluate the binocular function in a subject without need of active cooperation from the subject.

Initially we studied the relation of suprathreshold contrast to the latency of the transient pattern VEP (tpVEP). Although suprathreshold contrast independently influenced the tpVEP latency, interindividual variation was too large to suggest tpVEP as a possible method for objectively measuring contrast sensitivity in a subject.

The tpVEP latency in normal and microstrabismic adult subjects was examined. It was significantly shorter with binocular viewing in normals, but not in the microstrabismic group.

Contrast sensitivity and tpVEP latency was examined in adults, both with normal binocularity and with microstrabismus, using both luminance (black-and-white) contrast and colour contrast patterns. The tpVEP latency to colour contrast, like that to luminance contrast, is shorter in normal subjects who view the stimulus binocularly. Interindividual variation or overlap between the normal and microstrabismic groups did not improve with colour contrast.

The most significant features of the tpVEP are amplitude and latency. Depending on stimulus conditions, the response may show variations in configuration, amplitude and, to a lesser degree, latency. To decrease the influence of such variations steady-state VEP (ssVEP) can be used. The stimulus is presented in a fast repetitive manner, yielding a VEP response shaped as a continuous curve. The frequency components of this curve can be analysed using Fast Fourier Analysis.

Fast Fourier analysis of ssVEP in children aged 8-15 years with normal binocularity and with microstrabismus showed that the power of the second harmonic (the double frequency of stimulus frequency) of the response with binocular viewing was larger than with monocular viewing, both in normals and microstrabismic subjects. For higher stimulus frequencies, microstrabismic subjects showed a significantly lower power of the second harmonic compared with subjects with normal binocularity, when the stimulus was presented binocularly.

Finally, Fast Fourier analysed ssVEP in pre-school children aged 4-5 years was studied. A normal group was compared with a group with microstrabismus and a group with significant amblyopia. Amblyopic subjects had significant interocular differences in the first harmonic. We confirmed the significant difference found between microstrabismic subjects and subjects with normal binocularity regarding the second harmonic’s power with higher temporal frequency binocular stimulation, although at a slightly lower frequency than for older children. A low power of the second harmonic in the ssVEP to a binocular stimulus with high temporal frequency is a strong indicator of disturbed binocular function.

Abstract [sv]

För att förhindra amblyopi (ensidig synsvaghet) hos barn är det viktigt att upptäcka störningar i samsynsfunktionerna så tidigt som möjligt. Samsynstester kräver dock aktiv medverkan och kan ge osäkra resultat hos barn upp till 4-5 års ålder. Den här avhandlingen studerar möjligheterna att utifrån tidsmässiga (temporala) egenskaper hos visual evoked potentials (VEP) undersöka samsynsfunktioner objektivt, utan att den undersökte behöver medverka aktivt.

Första delstudien visar att ett synstimulus kontrastnivå i relation till kontrastkänslighetströskeln oberoende påverkar latensen i VEP, men variationer mellan individer gör metoden olämplig som objektiv kontrastkänslighetstest.

Andra delstudien jämför latensen i VEP hos individer med normal samsyn med den hos personer med mikroskelning. Stimulering av båda ögonen gav signifikant kortare latens än stimulering av ett öga hos normala, men inte hos mikroskelare.

I den tredje delstudien jämfördes känslighet för luminanskontrast och färgkontrast hos individer med normal samsyn och personer med mikroskelning. Både luminansmönster (svart-vita) och färgkontrastmönster upptäcktes vid lägre kontrast om båda ögonen stimulerades istället för ett i taget hos normalseende. Mikroskelare uppfattade mönstren sämre med båda ögonen än med ett öga (det dominanta). Latensen i VEP mättes i båda grupperna för både luminans- och färgkontrastmönster. Båda typerna av kontrast gav förkortning av latensen när båda ögonen stimulerades vid normal samsyn, men denna förkortning uteblev hos mikroskelare. Både luminans- och färgkontrast gav för varierande resultat för att utnyttja metoden för objektiv undersökning av samsynen.

Fourier-analys innebär att en kurvform delas upp i sinuskurvor med olika frekvens, amplitud och fas. Om ett stimulus växlar hastigt får man ett steady-state VEP (ssVEP), dvs en kontinuerligt vågformad VEP-kurva, som kan delas upp i delsinuskurvor med Fourieranalys. Detta gör att man särskilt kan studera frekvenser som är relaterade till stimuleringsfrekvensen, till exempel grundton och övertoner (multipler av grundtonsfrekvensen).

Barn 8-15 år gamla, med normal samsyn och med mikroskelning undersöktes med ssVEP i det fjärde delarbetet. Den första övertonen (= ”second harmonic”) var statistiskt signifikant svagare hos mikroskelare jämfört med normala individer, när stimuleringsfrekvensen var hög.

Det femte och sista delarbetet undersökte ssVEP hos 4-5 år gamla förskolebarn på motsvarande sätt. I denna studie deltog också en grupp barn med amblyopi (synsvaghet) på ena ögat. På en något lägre stimuleringsfrekvens bekräftades den svagare första övertonen hos barnen med mikroskelning jämfört med barnen med normal samsyn. De amblyopa barnen visade tydligast förändringar vid lägre stimuleringsfrekvenser och i ssVEP:s grundtonsfrekvens (= ”first harmonic” eller ”fundamental harmonic”). Resultaten i de olika grupperna är så pass åtskilda att metoden verkar lämpa sig för objektiv undersökning av samsynsfunktioner, i det att en svag första överton i binokulärt ssVEP utlöst av hög stimuleringsfrekvens inger en stark misstanke om störd samsyn, medan en stor skillnad i grundtonens styrka i höger respektive vänster ögas ssVEP tyder på amblyopi.

Place, publisher, year, edition, pages
Institutionen för nervsystem och rörelseorgan, 2006
Series
Linköping University Medical Dissertations, ISSN 0345-0082 ; 964
Keywords
VEP (Visual Evoked Potential), contrast sensitivity, binocularity, latency, Fourier analysis, strabismus, amblyopia
National Category
Ophthalmology
Identifiers
urn:nbn:se:liu:diva-7584 (URN)91-85523-08-9 (ISBN)
Public defence
2006-11-21, Berzeliussalen, Campus US, Linköpings Universitet, Linköping, 13:00 (English)
Opponent
Supervisors
Available from: 2006-10-23 Created: 2006-10-23 Last updated: 2009-08-22
Johansson, B. & Jakobsson, P. (2006). Fourier-analysed steadystate VEPs in pre-school children with and without normal binocularity. Documenta Ophthalmologica, 112(1), 13-22
Open this publication in new window or tab >>Fourier-analysed steadystate VEPs in pre-school children with and without normal binocularity
2006 (English)In: Documenta Ophthalmologica, ISSN 0012-4486, Vol. 112, no 1, p. 13-22Article in journal (Refereed) Published
Abstract [en]

Pre-school children aged 4–5 were examined with steady-state VEP in response to a sinusoidal grating pattern with a spatial frequency of 4 c/deg, reversing at rates 5, 10, and 15 Hz. Normal children (n = 10) were compared with subjects lacking stereo perception (n = 6) and with subjects showing significant unilateral amblyopia with visual acuity in the worse eye <0.5 (n = 7). Fast Fourier Transform was used for analysis of the crude steady-state VEP responses. Compared to normals, the subjects lacking stereo perception showed a significantly lower power of the second harmonic in the response evoked by binocular stimulation with gratings reversed at 15 Hz. The amblyopic group showed a significant difference between the dominant and the non-dominant eye regarding the first harmonic power in the responses evoked by gratings reversed at 5 and 10 Hz. These findings are discussed in relation to the magnocellular and parvocellular visual pathways and suggested models for linear and non-linear processing of visual signals.

Keywords
amblyopia, binocularity, Fourier analysis, strabismus, visual evoked potential
National Category
Medical and Health Sciences
Identifiers
urn:nbn:se:liu:diva-14098 (URN)10.1007/s10633-005-5889-4 (DOI)
Available from: 2006-10-23 Created: 2006-10-23
Johansson, B. (2004). Resulting refraction after same-day bilateral phacoemulsification. Journal of cataract and refractive surgery, 30(6), 1326-1334
Open this publication in new window or tab >>Resulting refraction after same-day bilateral phacoemulsification
2004 (English)In: Journal of cataract and refractive surgery, ISSN 0886-3350, E-ISSN 1873-4502, Vol. 30, no 6, p. 1326-1334Article in journal (Refereed) Published
Abstract [en]

Purpose: To study the refraction achieved after same-day bilateral cataract surgery, particularly with regard to anisometropia and the incidence of patient dissatisfaction caused by this complication. Setting: Department of Ophthalmology, University Hospital of Linköping, Sweden. Methods: This was a retrospective study of 165 consecutive patients who had bilateral cataract surgery on the same day. Parameters examined were preoperative and postoperative visual acuity and refraction (spherical equivalent), preoperative keratometry and axial lengths, planned postoperative refraction, difference between planned and achieved refraction, anisometropia, and recorded evidence of patient dissatisfaction resulting from refraction or binocularity problems. Results: Postoperative refraction was within ±0.5 diopter (D) from target in 43%, ±1 D from target in 71%, and ±2 D from target in 95% of eyes. Anisometropia was =0.5 D in 48% of patients and =1 D in 82% of patients. Two patients (1.2%) had anisometropia >2 D. No patient returned with complaints caused by postoperative refraction. Conclusions: Although deviation from planned postoperative refraction occurred in several cases, no patient reported binocularity problems in the 1% of cases with significant anisometropia. Risk for deviation from planned refraction does not appear to be a contraindication to same-day bilateral phacoemulsification in patients without known risk factors. © 2004 ASCRS and ESCRS.

National Category
Medical and Health Sciences
Identifiers
urn:nbn:se:liu:diva-45724 (URN)10.1016/j.jcrs.2003.10.036 (DOI)
Available from: 2009-10-11 Created: 2009-10-11 Last updated: 2017-12-13
Organisations
Identifiers
ORCID iD: ORCID iD iconorcid.org/0000-0003-4666-3339

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