Visual Acuity Glasses

  • 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
Left Eye Testing

The left eyes sees through a +2.50 diopter lens and the opposite eye is occluded.

Testing Right Eye
Testing Right Eye

Right eye see through a +2.50 diopter lens and the opposite eye is occluded.