Table 2.

Clinical Characteristics of the Patients (III-5, I-1, II-5) and the Unaffected Member (II-6)

ID	Disease Status	Age (y); Sex	Symptoms Onset (Age)	Nyctalopia	Photophobia	Dyschromatopsia	Nystagmus	Visual Acuity (OD; OS)	Refraction (OD; OS)	ERG
III-5 (Proband)	Affected	16; Male	Va↓, nyctalopia (12)	+	+	+	−	20/400; 20/400	−3.50 DS/−0.50 DC × 20°; −2.00 DS/−1.50 DC × 160°	Moderately decreased scotopic amplitudes with delayed implicit time, severely decreased photopic amplitudes OU
I-2	Affected	61; Female	Va↓, (∼40)	+	+	+	+	20/333; 20/400	−1.50 DS/−0.75 DC × 50°; −1.00 DS/−0.50 DC × 110°	Mildly decreased scotopic amplitudes with delayed implicit time, severely decreased photopic amplitudes OU
II-5	Affected	36; Female	Va↓, (∼25)	−	+	+	−	20/200; 20/400	−3.75 DS/−1.75 DC × 115°; −4.00 DS/−1.50 DC × 95°	Normal scotopic amplitudes with delayed implicit time, moderately decreased photopic amplitudes OU
II-6	Normal	37; Male	NA	−	−	−	−	20/20; 20/20	Normal	Normal

NA, not applicable.