1997年11月,我院对全县离退休干部进行白内障致盲目低视力调查。在调查过程中,均由多年有经验的眼科医师进行详查,严格控制质量关所得结果可靠。1.资料与方法1·1 白内障标准(1)单眼或双眼视力低于0.3小孔镜下不能提高。(2)晶体形态混浊;均有复方托品酰胺散瞳后用裂隙灯及眼底镜进行详查,并除外引起视力下降的白内障以外的其他原因。(3)术后无晶体眼计入白内障。 November 1997, our hospital on the county retired cadres blind cataract caused by low vision survey. In the course of the investigation, all experienced ophthalmologists for many years to carry out detailed investigation, strict control of the quality of the results obtained reliable. 1. Data and methods 1.1 cataract standards (1) monocular or binocular vision is less than 0.3 pinhole can not be improved under the microscope. (2) crystal morphology opacity; all compound tropicamide mydriasis after detailed examination with slit lamp and ophthalmoscopy, and except for cataract caused by decreased visual acuity other reasons. (3) Aphakia after cataract surgery.