Snellen Eye Chart - All About Vision

meet the legal visual acuity requirement for a valid driver’s license (20/40 in most states). DIRECTIONS FOR USE For the best accuracy (and to prevent memorization), have someone assist you when testing your vision with this eye chart. If you use eyeglasses or contact lenses for driving or other distance vision tasks, wear them during the ...

  Visual, Snellen

Amsler Grid - All About Vision

3. Are there any “holes” (missing areas) or dark areas in the grid? 4. Can you see all corners and sides of the grid (while keeping your eye on the central dot)? • Switch to the other eye and repeat. IMPORTANT – Report any irregularities to your eye doctor immediately: Mark areas of the chart you’re not seeing

  Grid, Side, Missing, Amsler grid, Amsler

Snellen Eye Chart - All About Vision

Eye charts also cannot detect serious eye problems such as glaucoma or early diabetic retinopathy that could lead to serious vision impairment and even blindness. Only a comprehensive eye exam performed by a licensed optometrist or ophthalmologist can determine if your eyes are healthy and you are seeing as clearly and comfortably as possible.

  Exams, Snellen, Eye exam, Snellen eye

CUT-AND-ASSEMBLE PAPER EYE MODEL

THE HUMAN EYE 1) OPTIC NERVE: takes electrical signals to the brain. Notice that the retina’s blood supply comes in through the center of the optic nerve. 2) FOVEA: focal point, the center of your vision 3) MACULA: the area around the fovea 4) RETINA: the back of the inside of the eyeball (This is where the light-sensitive rods and cones are located.)