Simple eye pupil diameter measuring apparatu and adjustable eyes pupil diameter measuring apparatu with adjustable

• Main Authors: ZHENG XUANLING, LIN YA, WANG ZHANXIANG, DING YULAN
• Format: Patent
• Language: Chinese; English
• Published: 22.03.2017
• Subjects: DIAGNOSIS; HUMAN NECESSITIES; HYGIENE; IDENTIFICATION; MEDICAL OR VETERINARY SCIENCE; SURGERY

The utility model relates to an adjustable simple eye pupil diameter measuring apparatu, including window board, vernier measuring mechanism, the observation window has been offered to the window board, and the vernier measuring mechanism sets up the vernier of two parallels on the window board including sliding, and the distance between two verniers is measured through the measuring tape. Two parallel verniers through the vernier measuring mechanism carry out the screens measurement to the pupil, are applicable to everyone in measuring range, and the adjustable vernier can carry out stepless slip, and the reading is accurate. The utility model discloses still set up eye opening mechanism, keep the person's of being examined eye to be in the state of opening when measuring, make measurement of efficiency higher, get rid of the person's of being examined degree of adaptability factor, make measuring result more accurate. Adjustable eyes pupil diameter measuring apparatu, based on adjustable simple eye pupil di