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First Author: A.Mokhtar MALAYSIA
Co Author(s): U. Md Noh N. Zainol Z. Zainal Abidin Z. Asnir M. Mohd Rani R. Hussin
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To evaluate the visual outcome and surgical complications of resident- performed cataract surgery.
Retrospective analysis of cataract surgeries performed between September 2010 till November 2012.
A total of 229 cataract surgeries were done during this period utilizing various hydrophobic intraocular lens. The follow up period is until twelve weeks post- operatively. More than eighty percent of patients achieved best corrected visual acuity of 6/12 or better (n= 187). Almost three quarter of patients had uncorrected visual acuity of 6/9 and better post- operatively. (n=165). Poor visual outcome is associated with pre- existing macular scar (undetected prior to operation), diabetic macular oedema, cystoids macular oedema, advanced glaucoma and posterior capsule rupture (PCR). Sixty- three patients had concurrent ocular co- morbidities including pterygium, glaucoma, age- related macular degeneration, corneal opacities, lid abnormalities and diabetic retinopathy with or without macular oedema. PCR occurred in 5.68% of patients (n= 13). Vitreous loss occurred in all cases of PCR, with three documented cases of Irvin- Gass syndrome and two cases of dropped nucleus necessitating vitreo- retinal interventions. However, the association between ocular co- morbidities and rate of PCR is not statistically significant (p= 0.195).
The majority of patients achieved good visual outcome in these series of cataract surgery performed by a resident surgeon. The learning curve is steep, with acceptable rate of PCR. Important learning outcome is to minimize the rate of PCR and recognized pre- existing ocular co- morbidities to ensure good surgical outcome.