Exact(2)
The area segmentation cleans up tables and segments them into attribute and value areas by checking visual and semantic coherency.
The reason why 20 feet (6.1 m) is used for checking visual acuity is that this distance is essentially infinity from an optical perspective (difference in optical power required to focus at 20 feet versus infinity is only 0.164 diopters), so 20 feet (6.1 m) satisfactorily represents human distance vision.
Similar(56)
Check visual acuity (VA).
Patients were also reviewed by an opthalmologist at these times, to check the visual acuity, visual fields, and examine the whole eye and the fundi.
Normality was checked by visual inspection of quantile plots.
Normal distribution of errors and variance homogeneity were checked via visual inspection and Levene's test.
Therefore, the field investigation was conducted to distinguish both geological units and to check the visual interpretation results.
The appearance of the solution was checked by visual inspection, and pH was determined using a calibrated pH-meter.
Model assumptions were checked by visual inspection of directed acyclic graphs [22].
Covariate selection was checked by visual inspection of directed acyclic graphs[17].
For all linear regression models, the assumption of linearity was checked by visual inspection of component plus residual plots.
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