Rapid assessment of Avoidable Blindness in Malda (2006) under NPCB

Rapid assessment of Avoidable Blindness in Malda (2006) under NPCB
The 2006 Rapid Assessment of Avoidable Blindness (RAAB) survey in Malda, conducted under the National Programme for Control of Blindness (NPCB), aimed to determine the prevalence and causes of blindness in the region. The survey utilized a compact segment sampling method, examining 100 individuals aged 50 and over in each selected cluster. 
Key Aspects of the RAAB Survey in Malda:
Methodology:
The survey used a compact segment sampling method, where a cluster was defined as a segment of the population, and a random starting point was chosen within each cluster. 
Sampling:
The survey focused on individuals aged 50 and over, as this age group is at higher risk of blindness. 
Examination:
All individuals in the sample underwent a standardized ophthalmic examination, including visual acuity measurement and a dilated eye examination for those with presenting vision below a certain threshold. 
Data Analysis:
Data was collected and analyzed to determine the prevalence of blindness, the causes of vision loss, and the effectiveness of eye care services in the region.