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. Author manuscript; available in PMC: 2016 Mar 1.
Published in final edited form as: JAMA Ophthalmol. 2015 Mar 1;133(3):326–332. doi: 10.1001/jamaophthalmol.2014.5265

Table 3. Proportion of Patients With BiS and Binocular Inhibition.

Variable Summation (BiS ≥ 5) Indeterminate (−5 > BiS >5) Inhibition (BiS ≤ −5)
No. (% of Total) 95% CI No. (% of Total) 95% CI No. (% of Total) 95% CI
ETDRS
 Preoperative 12 (13) 8-22 69 (77) 66-83 9 (10) 5-18
 Postoperative 15 (17) 11-27 68 (76) 65-82 7 (8) 4-15
2.5% LCA
 Preoperative 19 (21) 14 to 31 59 (56) 50-74 12 (13) 8-22
 Postoperative 27 (30) 22-41 54 (60) 48-69 9 (10) 5-18
1.25% LCA
 Preoperative 12 (13) 8-22 58 (64) 53-73 20 (22) 15-33
 Postoperative 23 (26) 18-36 54 (60) 49-69 13 (14) 9-24

Abbreviations: BiS, binocular summation; ETDRS, Early Treatment Diabetic Retinopathy Study; LCA, low-contrast acuity.