Prevalence and associated factors of diabetic retinopathy in Chandrubeksa Hospital, Directorate of Medical Services, Royal Thai Air Force.

Objective: To evaluate the prevalence and associated factors of diabetic retinopathy (DR) in patients with type 2 diabetes in the diabetes clinic at Chandrubeksa Hospital.

Material And Method: A cross-sectional study was performed on 261 type 2 diabetic patients at Chandrubeksa Hospital on January 2011. They all underwent fundus examination by ophthalmologists using indirect ophthalmoscope to check for any signs of DR.

Development of a refractive error quality of life scale for Thai adults (the REQ-Thai).

Objective: To develop a scale for measuring refractive error quality of life (QOL) for Thai adults.

Material And Method: The full survey comprised 424 respondents from 5 medical centers in Bangkok and from 3 medical centers in Chiangmai, Songkla and KhonKaen provinces. Participants were emmetropes and persons with refractive correction with visual acuity of 20/30 or better An item reduction process was employed by combining 3 methods-expert opinion, impact method and item-total correlation methods.