Alpha Channel: No, Looped Video: No, Frame Rate: 25, Resolution: 3840x2160, Video Encoding: H.264, File Size: 13.25mb, Number of Clips: 1, Total Clip(s) Length: 0:06, Source Audio: Yes, No. of People: 2, Gender: Female, Male, Age: Young Adult, Senior, Ethnicity: Caucasian

doctor examines elderly man’s eye on screen of autorefractometer. ophthalmic device for analyzing ability of eyes to refract and facilitate selection of suitable corrective agent. equipment of clinic