Optometry and vision science : official publication of the American Academy of Optometry
-
The aim of this article was to systematically review all the available ophthalmic patient-reported outcome (PRO) instruments (questionnaires) that demonstrated interval measurement properties to identify the instruments with the highest psychometric quality for use in different eye diseases and conditions. ⋯ This review provides a descriptive catalog of ophthalmic PRO instruments to inform researchers and clinicians on the choice of the highest-quality PRO instrument suitable for their purpose.
-
To assess the construct validity and responsiveness of the EuroQoL-5D (EQ-5D) instrument in Asian patients undergoing cataract surgery in Singapore. ⋯ Our study demonstrated that the EQ-5D utility index is a valid and responsive outcome measure for evaluating the impact of cataract surgery in our Asian population. However, the implications of using the generic EQ-5D instrument to assess the cost-effectiveness of surgical interventions for visual impairment require further investigation.