The Preferential Impairment of Pupil Constriction Stimulated by Blue Light in Patients with Type 2 Diabetes without Autonomic Neuropathy

Figure 3

Comparison of average pupillary light reflex waveform on blue light (a) and red light (b) exposure between controls (—) and diabetic subgroups I; without neuropathy (- -- -- -), II; asymptomatic neuropathy (⋅⋅⋅⋅⋅⋅⋅⋅), and III; symptomatic but without diabetic autonomic neuropathy (- - -)} stratified by the severity of neuropathy.

(a)

(b)