Background Cataract affects about half of all patients in their seventies, and by the nineties, almost everyone will be affected. Poor vision may result in an increased risk of falling and lower quality of life (QOL). Aim of the study: The present study aimed to determine the QOL of elderly patients with cataract subject &Method: Research design.: A descriptive cross-sectional design was utilized to conduct this study. Setting: The study was conducted in the outpatient clinic of ophthalmology in Fakous Hospital. Subjects: The study involved a Purposive sample of 100 elderly recruited from the study setting with diagnosis of cataract. Tools of data collection: Three tools were used for data collection in the present study. The first tool was an interview questionnaire consisted of three parts to collect the necessary data about elderly subjects. The second tool was a lifestyle behaviour sheet. The third tool was the Quality of life assessment questionnaire which includes 2 parts. Results: The results revealed that elderly with cataract lack healthy lifestyle habits. Their visual dysfunction increases with age, diabetes and other chronic diseases, and lack of education. Cataract limits their daily activities, and has negative impact on their QOL. Conclusion: Cataract limits elderly's daily activities, and has negative impact on their QOL. Recommendations: The study recommends regular check-up of elderly visual functions. Also educational interventions are proposed to help them have a healthy lifestyle to improve their QOL.