Systems of analysis of posterior capsule opacification

Aslam, Tariq; Dhillon, Baljean; Werghi, Naoufel; Taguri, Abdel Hakim; Wadood, Azfar C

doi:10.1136/bjo.86.10.1181

Cited by 35 publications

(24 citation statements)

References 42 publications

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“…After a minimum of 20 minutes, the size of the pupil was recorded using a millimetre ruler and the PCO was graded according to the slit-lamp appearance (grade 0 to 4). Use of such slit lamp grading has been established in scientific literature for PCO assessment [9-16] There are of course many other systems available for assessment of PCO [17] We chose a system based on slit lamp grading as it is the most commonly performed method of PCO assessment in practice. Many such slit lamp grading systems exist, but none have been proven to be gold standard in terms of clinical utility.…”

Section: Methodsmentioning

confidence: 99%

Methods of assessment of patients for Nd:YAG laser capsulotomy that correlate with final visual improvement

Aslam

Patton

2004

BMC Ophthalmol

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BackgroundThis paper attempts to clarify the usefulness of various simple pre-operative measures in estimating the potential for a visually successful capsulotomy.Methods24 patients attending for capsulotomy had pre-operative measures of glare with BAT tester, visibility of posterior pole and grading of posterior capsular pearls and fibrosis seen at slit lamp. Visual function was measured before and after standardised capsulotomy. Correlations of the various preoperative measures with eventual visual function improvements were calculated.ResultsPearls at slit lamp and poor posterior pole visualisation were all correlated with improvements in visual acuity and contrast sensitivity after capsulotomy. Amount of fibrosis visible at slit lamp and glare assessment were not correlated with vision improvements after laser.ConclusionOf the various measures that are taken prior to Nd : YAG capsulotomy, some correlate with eventual visual improvement but for others no clinical utility was found. Practitioners should note these findings as they are especially of use in more questionable or high-risk cases to help determine whether referral for PCO treatment by Nd: YAG capsulotomy is likely to benefit the patient.

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Section: Methodsmentioning

confidence: 99%

Methods of assessment of patients for Nd:YAG laser capsulotomy that correlate with final visual improvement

Aslam

Patton

2004

BMC Ophthalmol

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“…Posterior capsule opacification evaluation systems are quantitative or qualitative. 16 Until now, no system of PCO measurement has been considered the gold standard, and it is…”

Section: J Cataract Refract Surg 2008; 34:643-650 Q 2008 Ascrs and Escrsmentioning

confidence: 99%

Optical coherence tomography evaluation of posterior capsule opacification related to intraocular lens design

Moreno-Montañés

Alvarez

Bes–Rastrollo

et al. 2008

Journal of Cataract and Refractive Surgery

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“…EPCO is a widely used tool for PCO measurement. According to Aslam et al (2002), EPCO 2000 was the best system available for PCO evaluation at the time of this study.…”

Section: Discussionmentioning

confidence: 99%

Posterior capsule opacification: comparisons between morphology, visual acuity and self‐assessed visual function

Sundelin

Lundström²,

Stenevi

2006

Acta Ophthalmologica Scandinavica

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ABSTRACT.Purpose: To investigate whether posterior capsule opacification (PCO) morphology, visual acuity (VA) and self-assessed visual function correlate, and to compare perceived visual disabilities with those of cataract patients with corresponding VA. Methods: Twenty-one patients with PCO were examined before capsulotomy. In adjunct to the ophthalmological examination, the patients completed a Catquest questionnaire and a digitized retroillumation image was acquired. The images were analysed with the Evaluation of Posterior Capsule Opacification (EPCO) program. Data for visual function were compared with data from the National Swedish Cataract Register (NCR). Results:The epco values were correlated with VA in the PCO eyes: the higher the epco score, the lower the VA. There were also correlations between the epco scores, satisfaction with vision, and perceived disabilities in daily life. Symptoms of glare were not significantly correlated with epco scores or with VA. Visual acuity in PCO eyes was better correlated with perceived disabilities and satisfaction with vision than VA in eyes with cataract. Conclusions: There was a significant correlation between epco scores and VA and between epco scores and Catquest. Consequently, the morphological method was related to the self-assessed visual function. Patients with PCO seemed to have more disturbed visual function, as defined by Catquest, than cataract patients with the same VA.

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Systems of analysis of posterior capsule opacification

Cited by 35 publications

References 42 publications

Methods of assessment of patients for Nd:YAG laser capsulotomy that correlate with final visual improvement

Methods of assessment of patients for Nd:YAG laser capsulotomy that correlate with final visual improvement

Optical coherence tomography evaluation of posterior capsule opacification related to intraocular lens design

Posterior capsule opacification: comparisons between morphology, visual acuity and self‐assessed visual function

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