How is reduction of vision rated in 2004?

• A. Corrected vision
• B. Uncorrected vision
• C. Visual field analysis
• D. Best possible vision

Answer: (A)

The concept being tested is how vision impairment is quantified for ratings. In 2004, reduction of vision is scored based on corrected vision—specifically the best corrected visual acuity the person can achieve with corrective lenses. This standardizes impairment ratings because it reflects what the person can functionally see with proper correction, rather than what they see without correction, which can vary with refractive errors and current eyewear. Uncorrected vision would not consistently represent true impairment, since it depends on whether the person is wearing glasses or contacts. Visual field analysis looks at peripheral vision and is a separate measure from acuity, and “best possible vision” is not the established rating term used in this context. Therefore, corrected vision is the best answer because it aligns with assessing impairment based on the best achievable acuity with correction.