Loss of visual acuity (vs. Visual field defect)
- Definition: Refers to the sharpness or clarity of vision, typically measured by the ability to discern details of objects at a specific distance (e.g., reading letters on an eye chart).
- Symptoms of Reduced Visual Acuity:
- Blurry or distorted vision.
- Difficulty reading or recognizing faces.
Physical Exam
Snellen chart (Visual Acuity)
DDx
- Can be a symptom of Hyperglycemia (> 7) → Excess glucose causes the lens to swell
- Myopia (nearsightedness)
- Hyperopia (farsightedness)
- Astigmatism
- Cataracts