TABLE 1.

PREOPERATIVE VISION AND SUBJECTIVE OBSERVATIONS OF PATIENTS 1 THROUGH 6 AFTER ASR CHIP IMPLANTATION

PATIENT	VISION PREOP	SUBJECTIVE VISION CHANGES POSTOP
1	Bare light perception OU to very bright lights	Sees lights easily and sometimes arm motions from the right temporal field without having to turn head
2	Bare to no light perception OU	Sees lights easily from the nasal field, especially inferiorly; sometimes can locate people by their shadows
3	Light perception to hand motions OU	Sees improved contrast, motions, and sometimes details on television; able to use night lights to navigate around the house
4	Hand motions OU	Can navigate the yard around his house visually without a cane, can tell which lights are on or off in a room, now turns out the lights at night
5	Counting finger at 1–2 feet OU	Sees well enough to eat with utensils (previously had to use fingers); can recognize people by their faces (previously had to hear them first); can sometimes recognize denominations of paper money; general improvement of contrast and color perception
6	Hand motions OU	Can locate cars in the street and see his own shadow; can visually locate his coffee cup at meals; can differentiate traffic light colors and objects with improved contrast

ASR, artificial silicon retina.