CHEM 3B Lecture Notes - Lecture 7: Visual Field Test, Visual Acuity, Nokia N900
Document Summary
Ask for notes taken during first hour 2-3pm. Takes the eye minutes to adapt when go in dark room such as a movie theatre. That"s why there are lights on the runway. For elderly, don"t adapt as quickly (like wearing sunglasses) High intensity during few minutes time in dar, cones more sensitive here. Lower intensity during longer minutes in dark, rods are more sensitive here. Exercise: can see stars in the dark better when look at the side (45 degree angle) Rods are adaptive at that point, side vision is mostly rod vision (very few cones) Other aspects of vision beyond the eye chart. Important everyday tasks dependent on many aspects of vision. Driving, reading, tv, writing, occupational demands, computer use, smart phones, sports. Different aspects of vision for many of them. Some people lost vision and have hard time seeing face recognition. Case study of older population in marin county.
