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(A) Typical response of a control rabbit pupil to repetitive light stimuli. After the fourth flash, the response is reproducible. (B) Response of a normal rabbit pupil to light stimulus (average of three responses). Pupil response parameters measured are a) initial pupil diameter, b) constriction latency, c) constriction velocity (slope), d) constriction amplitude, e) peak constriction amplitude, f) redilation latency, g) redilation velocity (slope), and h) time to 75 % redilation.
