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Example Data on BCVA

Source: R/data.R
bcva_data.Rd

[Stable]

Usage 

bcva_data

Format

A tibble with 10,000 rows and 7 variables:

  • USUBJID: subject ID.

  • VISITN: visit number (numeric).

  • AVISIT: visit number (factor).

  • ARMCD: treatment, TRT or CTL.

  • RACE: 3-category race.

  • BCVA_BL: BCVA at baseline.

  • BCVA_CHG: Change in BCVA at study visits.

Source

This is an artificial dataset.

Note

Measurements of BCVA (best corrected visual acuity) is a measure of how how many letters a person can read off of an eye chart using corrective lenses or contacts. This a common endpoint in ophthalmology trials.