title: Clinical research methodology in ophthalmology.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D001284:Atrophy; D002829:Choroid / Q000473:pathology; D004992:Ethics, Medical; D005128:Eye Diseases / Q000145:classification / Q000175:diagnosis / Q000209:etiology; D005134:Eye Neoplasms / Q000556:secondary; D005901:Glaucoma / Q000150:complications; D006801:Humans; D007498:Iris / Q000473:pathology; D008297:Male; D008875:Middle Aged; D009885:Ophthalmology; D010857:Pigment Epithelium of Eye; D012106:Research; D012107:Research Design; D012160:Retina / Q000473:pathology; D013223:Statistics as Topic; D014172:Transillumination