Selective suture removal in astigmatism after conventional cataract surgery
Journal Title: Indian Journal of Clinical and Experimental Ophthalmology - Year 2018, Vol 4, Issue 1
Abstract
Aim Cataract is one of the major single causes of curable blindness in India Our duty ends only after giving good visual acuity to these patients undergoing cataract extraction surgery Post operative corneal astigmatism following cataract surgery plays a key role for predicting results in an otherwise perfect and successful operation The need for improved uncorrected visual acuity either owing to spectacles or contact lenses is the basis for surgical procedures for reducing astigmatism Finer sutures such as 100 monofilament nylon and 90 silk which are intended to remain in situ tend to compress the wound thus an effective method of reducing or eliminating the wound compression is the removal of one or more interrupted sutures in the meridian of greatest corneal curvature or in the serving of a continuous suture in the area of the steepest corneal meridian Our primary aim of the study is to Document the corneal astigmatism following cataract extraction and IOL implantation Effect of selective suture cuttingselective suture removal of the astigmatism Predictability of result of corneal astigmatism after suture cuttingMaterials and Methods 50 patients who underwent conventional extra capsular cataract surgery with or without intraocular lens were recruited for the study Pre operative keratometric readings with Bausch and Lomb keratometer and retinoscopy was done to assess the magnitude and axis of the cylinder Extra capsular cataract surgery was performed as per standard protocol and procedure Incision was closed with interrupted sutures Patients were divided into pseudophakic and aphakic groups Keratometric readings and best corrected visual acuity with subjective correction was obtained at one three and six weeks post operatively At sixth week selective suturotomysuture removal was carried out it in the direction of plus cylinder Number of sutures removed depend on the magnitude of cylinderResult Post operative astigmatism was high at first week which gradually decrease and stabilize by sixth week At sixth week patients had variable amount of astigmatism ranging from 07D Average decrease in astigmatism post suture removal was 108D 206D 35D following one two and three suture removal Post suture removal 26 patients had no astigmatism 24 had WTR 40 had oblique and 10 had ATR astigmatismConclusion The interrupted sutures and their removal at appropriate time are recommended to create a spherical equivalent of refractionKeywords Astigmatism Keratometry Cataract Pseudophakia Visual acuity
Authors and Affiliations
Ashwini A. Sapre, Heena C. Radadia
Pattern of Glaucoma in Rural South India
Introduction: Primary Open Angle Glaucoma causes damage to the fibers of optic nerve which results in permanent visual loss. There may not be any symptoms; this is dangerous because patient may become blind silently. Gla...
Analysis of various risk factors in the development of retinopathy of prematurity in semi urban population
Background: Retinopathy of prematurity (ROP) is a disease of the eye that generally affects premature babies receiving intensive neonatal care. It is thought to be due to disorganized growth of retinal blood vessels whic...
Co-relation of spontaneous venous pulsations and ocular perfusion pressure in subjects with primary open angle glaucoma (POAG), normal tension glaucoma (NTG) and ocular hypertension (OHT) as compared
Introduction: Alteration in ocular perfusion pressure and increased venous resistance are known to be associated with glaucoma. Examination of spontaneous venous pulsations can be a surrogate method for assessing the cir...
Glaucoma awareness in undiagnosed literate individuals attending routine eye clinic at a tertiary care center
Glaucoma is the leading cause of irreversible blindness worldwide. It is preventable, if diagnosed and treated at an early stage. Unfortunately due to lack of awareness and improper screening tools, disease remains undia...
Predictors of severity of retinopathy among subjects with early onset type 2 diabetes mellitus
Purpose To explore the factors influencing the severity of diabetic retinopathy among early onset type 2 diabetes mellitusMaterials and Methods A descriptive cross sectional study was undertaken among subjects with early...