Fig 1.
(A) USee device with dials that move lens bar to appropriate refractive power, (B) USee EyeOpener kit including USee device, plastic frames, pop-in lenses, and visual acuity chart.
Table 1.
Distribution of age, gender, handedness, ethnicity, and race among study participants (N = 60).
Table 2.
Distribution of visual acuity before and after refraction.
Table 3.
Predictors of failure to achieve better than or equal to 20/30 visual acuity in the right eye.
Fig 2.
Modified Bland Altman (Difference in SE (MR SE minus SR) vs. MR SE) for right eye.
Abbreviations: SE = spherical equivalent, MR = manifest refraction, SR = self-refraction.
Table 4.
Subjective feedback on USee.