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Visual Acuity Glasses

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  • No Glasses

    Hold the iDevice 16 inches away.  Near vision is measured.

  • Wear usual reading glasses

    Subject are usually older than 44 years

  • Glasses with +2.50 Power

    1.  Substitute for adults needing reading glasses (presbyopia)

    2.  Screening children for myopia (nearsighted).  Adding this lens will blur a nearsighted person and thereby identify who needs distance glasses.

Left Eye Testing
The left eyes sees through a +2.50 diopter lens and the opposite eye is occluded.
Testing Right Eye
Right eye see through a +2.50 diopter lens and the opposite eye is occluded.
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