J Ramke, A Palagyi, R du Toit, G Brian - Ophthalmic Epidemiology, 2009 - informahealthcare.com Purpose: To conduct a survey of willingness to pay for ready-made spectacles in
the low-resource country of Timor-Leste, and, uniquely, subsequent validation
with actual payment information. Methods: A systematic random sampling ...
- ►jsiec.org [PDF] M Zhang, H Lv, Y Gao, S Griffiths, A Sharma, … - Investigative Ophthalmology & Visual Science, 2009 - ARVO RESULTS. Among 3226 examined children, 733 (22.7%) reported owning spectacles.
Refractive error and spectacle power were assessed for 588 (80.2%) children.
They had a mean age of 15.0 ± 1.6 years; 70.2% were girls, 83.3% had more ... Related articles - All 4 versions