كلية علوم البصريات
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Item Anisometropia Following Intra Ocular Lens Implantation for Unilateral Cataract in Patients with Contralateral Ammetropia(AL-Neelain University, 2009-03) Sohair Mohammed GassimAbstract The aim of this study is to maintain binocular single vision in patients with intraocular lenses . ‘ Fifty patients were selected from Alwalidin eye hospital .in (May 2007 — March 2009 ) . All of the patients had a unilateral recent mature cataract .the operation had already done ,the selection of the patient done from records . The main cause was trauma . The other eye had refractive error more than Z.00D . Both eyes had no ocular abnormalities. The study intended to provide good assessment for each patient with refractive error in the unoperated eye before intraocular lens implantation . lnfomiation gathered included age ,gender. refraetionocular complaint. Fundscopy .keratometry .intraocular lens calculation and A-B scan . Partial retrospective study Statistical analysis of data was done by using SPSS program . The study revealed 36(72%) were males and l4 (28%) were Females .with a ratio of 3:1 respectively .The age ranged between 21 to 47 years .The calculations for IOL to maintain normal refractive state were performed before doing the surgery . Three months after surgery. 70% of patients presented with diplopia and 30% had other symptomstincluding headache . discomfort . nausia and vomiting . The refractive state showed a normal to small refractive error, less than lD spherical or astigmatic error in the psudophakic eye. while the other eye had a refractive error between 2 to 10 D .