Subject Number
Item
Subject Number:
text
C2348585 (UMLS CUI [1])
Subject Initials
Item
Subject Initials:
text
C1997894 (UMLS CUI [1,1])
C2986440 (UMLS CUI [1,2])
Date of visit
Item
Visit Date:
date
C1320303 (UMLS CUI [1])
Test Date
Item
Test Date:
date
C2826247 (UMLS CUI [1])
ETDRS visual acuity chart Right eye
Item
Total Visual Acuity Score (ETDRS) Right eye
text
C1275992 (UMLS CUI [1,1])
C0229089 (UMLS CUI [1,2])
ETDRS visual acuity chart Left eye
Item
Total Visual Acuity Score (ETDRS) Left eye
text
C1275992 (UMLS CUI [1,1])
C0229090 (UMLS CUI [1,2])
Snellen Equivalent Right eye
Item
Snellen Equivalent Right eye (most difficult line with 1 or no errors)
text
C1827708 (UMLS CUI [1,1])
C0229089 (UMLS CUI [1,2])
Snellen Equivalent Left eye
Item
Snellen Equivalent Left eye (most difficult line with 1 or no errors)
text
C1827708 (UMLS CUI [1,1])
C0229090 (UMLS CUI [1,2])