An age-related ocular disease such as cataract that causes reduction of visual functions would affect the individual driving performance. The aim of this research was to compare driving difficulties between Malaysian drivers with bilateral cataracts and without cataract. This cross-sectional study involved measurement of visual functions [visual acuity (VA) and contrast sensitivity (CS)] and driving difficulty of 61 respondents who had valid driving license and actively driving. Subjects were divided into cataract group (n=30) and age/gender matched non-cataracts as control group (n=31). Results showed the mean±SD for composite driving difficulty score in cataract group and in control group were 72.08±15.95 and 87.50±12.60 respectively. Results also showed significant mean difference composite driving difficulty score between cataract and control group (p=0.000). Cataract drivers also have significant difficulty driving in raining (p=0.034) and at night (p=0.013) compared to drivers without cataract. Details inter-group analysis result showed that reduced VA and CS were two main findings among cataract drivers with driving difficulty. This study showed that drivers with cataract would experience driving difficulties compared to the drivers without cataract, especially in low contrast situations.
Posterior capsular rupture (PCR) is a common and serious complication of cataract surgery. It complicates the process of inserting posterior chamber intraocular lens and affects the visual outcome. This study is a review on visual acuity of patients that had PCR during cataract surgery in Hospital Melaka, risk factors of PCR, and factors that cause poor visual outcome. The record of all patients that had PCR during cataract surgery from 1 January 2014 till 31 March 2017 was traced using National Eye Database (NED) and the patients’ folders were reviewed retrospectively. Data collected was demographic data, type of cataract surgery, status of surgeon, underlying ocular diseases, risks factors for PCR, postoperative visual acuity, and factors that cause poor visual outcome. There were 238 eyes that had PCR during cataract surgery, from 126 (53%) female and 112 (47%) male patients. The mean age was 66.62 years old, ranging from 9 to 87 years old. Major risk factors identified were hard cataract, polar cataract, uncooperative patients, extended continuous capsulorhexis, subluxated lens, myopia, vitrectomised eyes, and poor pupil dilatation. From 153 cases that had no pre-existing ocular diseases, 119 (78%) cases had normal vision (best corrected visual acuity – BCVA) two months after surgery, 10 (7%) cases had moderate visual impairment, and four (2%) cases had severe visual impairment. Causes of BCVA poorer than 6/18 were high astigmatism, CMO, and prolonged inflammation. Cataract surgery, even complicated by PCR, is compatible with good visual outcome if the complications are managed promptly.
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