Table 3: Patient-based Time Tradeoff Utility Values Associated with Visual Acuity Levels in the Better Seeing Eye.

Patients With Ocular Disorders, N	Vision Range In Better Seeing Eye	Mean Utility Value	Standard Deviation	95% Confidence Interval
127	20/20 to 20/25	0.88	0.15	0.85−0.91
218	20/30 to 20/50	0.81	0.21	0.78−0.84
83	20/60 to 20/100	0.72	0.21	0.67−0.77
72	20/200 to no light perception	0.61	0.19	0.57−0.65