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Table 1 Clinical Information and Genetic Findings of Putative Stargardt Disease Cases

From: Molecular diagnosis of putative Stargardt disease probands by exome sequencing

Sample

Age Sex

Acuity OD Acuity OS

Clinical Notes

ERG Findings

Color vision

ABCA4variants

PRPH2variants

Other variants

STGD-01

19 Male

20/400 20/160

Peripapillary sparing, discrete flecks; nummular atrophy

Normal rod Abnormal cone

No testing

p.N965S p.R2038W

.

.

STGD-02

15 Female

20/160 20/100

Few yellowish Flecks without autofluorescence

Normal rod Normal cone

Abnormal

p.Q636X p.G1961E*

.

.

STGD-03

58 Female

20/50 20/16

No significant atrophy

Abnormal rod Abnormal cone

No testing

.

p.W25C p.Q276X

.

STGD-04

51 Male

20/20 20/20

Peripapillary sparing both eyes; “stellate” pattern

Abnormal rod Abnormal cone

Abnormal

.

p.G167S

.

STGD-05

55 Female

20/25 20/20

Central atrophy with out-branching; "stellate" pattern

Normal rod Normal cone

Normal

.

p.T236X

.

STGD-06

34 Female

20/200 20/200

Classic Stargardt

Normal rod Abnormal cone

No testing

p.V989A

.

.

STGD-07

41 Male

20/40 20/640

Flecks, peripapillary sparing, central geographic atrophy

Normal rod Abnormal cone

No testing

.

.

.

STGD-08

37 Male

20/40 20/400

No peripapillary sparing/flecks; irregular geographic atrophy with RPE changes; thickening on OCT

Normal rod Normal cone

Abnormal

.

.

CRB1 p.K801X

STGD-09

61 Male

20/25 20/25

"Horseshoe" pattern of atrophy

Normal rod Normal cone

No testing

.

.

ELOVL4 p.A311T

  1. “Age” is age at ascertainment. Abbreviations: ERG - Electroretinogram; RPE - Retinal pigment epithelium; OD - right eye; OS - left eye. * Variant previously observed by dideoxy sequencing. “Variants” indicates putatively causal variants and does not include predicted benign or common (polymorphic) variants.