Nidhi Gupta|Vivek Gupta|Sumit Malhotra|Suraj Singh Senjam|Vasundhara Misra|Amit Bhardwaj
Rapid Assessment of Visual Impairment in Urban Population of Delhi, India
All India Institute of Medical Sciences|All India Institute of Medical Sciences|All India Institute of Medical Sciences|All India Institute of Medical Sciences|All India Institute of Medical Sciences|All India Institute of Medical Sciences
determine prevalence causes associated demographic factors related visual impairment amongst urban population new delhi indiaa populationbased crosssectional study conducted east delhi district using cluster random sampling methodology rapid assessment visual impairment ravi survey involved examination individuals aged 40 years 24 randomly selected clusters district visual acuity va assessment comprehensive ocular examination done doortodoor survey questionnaire used collect personal demographic information study population blindness visual impairment defined presenting va 360 618 better eye respectively descriptive statistics computed along multivariable logistic regression analysis determine associated factors visual impairmentof 2421 subjects enumerated 2331 963 available ophthalmic examination among examined 493 males prevalence visual impairment vi study population 114 95 ci 101 127 blindness 12 95 ci 08 16 uncorrected refractive error leading cause vi accounting 534 vi followed cataract 338 multivariable logistic regression odds vi increased age 24695 ci 149 407 p 0001 illiterate participants likely vi 15 95 ci 1121 compared educated participantsthe first implementation ravi methodology north indian population revealed burden visual impairment considerable region despite availability adequate eye care facilities awareness generation simple interventions like cataract surgery provision spectacles help eliminate major causes blindness visual impairment region