Zhang, C W Survey and analysis of visual acuity of Kazakhs in different lighting environments. [electronic resource] - Genetics and molecular research : GMR Apr 2014 - 2451-7 p. digital Publication Type: Journal Article ISSN: 1676-5680 Standard No.: 10.4238/2014.April.3.17 doi Subjects--Topical Terms: AdultEnvironmentEthnicityFemaleHumansKazakhstanLightingMaleMiddle AgedRefractive ErrorsVision, Ocular--physiologyVisual Acuity