BACKGROUND Data on prevalence and causes of avoidable blindness in Malawi are not readily available. The purpose of this study was to determine the prevalence and causes of blindness in persons aged 50 and above in southern Malawi to plan eye care services for the community. METHODOLOGY A population-based survey was conducted in 7 districts in southern Malawi. Villages were selected by probab...

OBJECTIVE Describe the rationale and methodology of the Rapid Assessment of Avoidable Blindness applied in surveys at the national level in 2011-2013 in Argentina, El Salvador, Honduras, Panama, Peru, and Uruguay. METHODS The survey includes individuals aged 50 years and older, minimizing required sample sizes, which vary from 2 000 to 5 000 people. It uses straightforward sampling and examin...

purpose: to determine the general population’s knowledge and awareness about cataract, glaucoma and diabetic retinopathy (dr) in tehran, the most populated and capital city of iran, in order to assess the need for health education programs. methods: this cross-sectional population-based survey was conducted during 2010 and a structured questionnaire was filled by 5 trained interviewers via tele...

To assess the accuracy of routine preoperative biometry we reviewed all cases of extracapsular cataract extraction with posterior chamber implant performed at Queen Alexandra Hospital in 1985. Of 471 eyes included in the survey 67.9% were within 1.0 D of the expected refraction and 90.7% within 2.0 D. Factors influencing accuracy are discussed. The necessity of routine preoperative biometry is ...

BACKGROUND Cataract is the leading cause of blindness in children in east Africa. The results of surgery are poor, partly because of inadequate correction of aphakia. METHODS A retrospective survey of 118 eyes in 71 children with bilateral cataract. All eyes had implantation of an IOL at the time of cataract surgery. The average age at surgery was 3.5 years. 28 patients(39%) were less than 2 ...

Cataract is clouding of the eye lens that reduces the amount of incoming light and results in deteriorating vision. Blindness is thought to reach 75 million by 2020. Of these, unoperated cataract may be expected to account for at least 35 million. Thus, the burden of cataract is increasing remorselessly. Embelica officinalis is reported to have a very good antioxidant property and thus we hypot...

Clear eye lens is responsible for correct vision. Ageing effect acquires opacity at structure causing foggy or blurred It termed as cataract. This may become cause of permanent blindness if remain unidentified and untreated. Due to hazards change in environment adoption sluggish lifestyle many diseases like cataract are becoming universal challenge health organization over the world. Lack medic...

BACKGROUND China has the largest population of cataract patients in the world. However, the cataract surgery rate per million remains low in China. We carried out a survey on costs of cataract surgery from four different graded providers in China and analyzed differences in cost among these clinics. METHODS 1,189 patients were recruited for the study in four eye clinics, located in two provin...