Extraction of lenses for cataract surgery is one of the most frequent outpatient surgical procedures; more than three million cases are performed annually in the United States. Phacoemulsification is the commonly used method for cataract extraction. Phacoemulsification systems (also known as phacoemulsifiers, cataract extraction units, or simply, phaco units) apply high-frequency oscillations t...

PURPOSE To analyze the results in a series of children submitted to unilateral cataract surgery. METHODS A retrospective study was conducted through the analysis of 35 patient files from the Congenital Cataract Service of UNIFESP/EPM. RESULTS The main cause of unilateral cataract was idiopathic, the second cause was ocular trauma and the third cause was congenital rubella. Initial visual ac...

BACKGROUND Cataract and glaucoma are the major causes of blindness in Nepal. Bhaktapur is one of the three districts of Kathmandu valley which represents a metropolitan city with a predominantly agrarian rural periphery. This study was undertaken to determine the prevalence of visual impairment, cataract surgery and awareness of cataract and glaucoma among subjects residing in this district of ...

The changes in corneal curvature were determined at regular intervals over a one-year period following intracapsular cataract extraction by microsurgical techniques. During the first postoperative month photokeratometric measurements showed rapid changes in astigmatism associated with large changes in the direction of the axis. Thereafter astigmatism against-the-rule predominated. Data from the...

Age-related cataract is the leading cause of visual loss worldwide, with developing nations carrying most of this burden. The prevalence of cataract doubles with each decade of age after 40 years, such that most people in their 80s and 90s will be affected. Although cataract removal and intraocular lens implantation effectively treats this condition and restores good vision, cataract surgery is...

BACKGROUND A national eye care programme was launched in Nepal in the early 1980s. The impact of this programme on blindness and cataract surgery prevalence was evaluated in two geographic zones. METHODS People aged 45 years and older were sampled using a stratified cluster design. Within randomly selected clusters, door to door enumeration was followed by visual acuity measurement and eye ex...

PURPOSE To assess cataract surgery outcome using the Rasch scaled Chinese version of the Catquest short-form. METHODS The Chinese translated and culturally adapted version of the Catquest-9SF was interviewer-administered to patients, pre and post cataract surgery. Rasch analysis was performed on the baseline data to revise the Catquest. For the surgical outcome assessment, we stacked pre- and...