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.