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학습 자료 둘러보기 →The primary criterion for legal blindness is a best-corrected visual acuity of 20/200 or worse in the better eye. This means the client can see at 20 feet what a person with normal vision sees at 200 feet, even with optimal corrective lenses.
An alternative criterion is a visual field restriction to 20 degrees or less in the better eye, often described as tunnel vision. A patient can meet the definition through either the acuity or the visual field standard.
Always document that the acuity measurement was taken with best correction. Uncorrected acuity is not used for this determination. This status is essential for coordinating disability services, low-vision rehabilitation, and ensuring patient safety.
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