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Potential acuity meter

PAM

A potential acuity meter is an instrument used to examine the eyes. Your health care provider can use this tool to predict how well you may see after eye surgery. People who have reduced vision due to cataracts may also have other reasons for poor vision. The potential acuity meter will help predict what their vision will be after the cataracts are removed. If cataracts are severe, the instrument may not give useful information.

Open References

References

Lundström M. Outcomes of cataract surgery. In: Yanoff M, Duker JS, eds. Ophthalmology. 6th ed. Philadelphia, PA: Elsevier; 2023:chap 5.21.

Stein HA, Stein R, AlShaker SM. Preliminary examination. In: Stein HA, Stein RM, Freeman MI, Stein RL, eds. The Ophthalmic Assistant. 11th ed. Philadelphia, PA: Elsevier; 2023:chap 8.

Text only

  • Normal vision

    Normal vision - illustration

    Normal vision occurs when light is focused directly on the retina rather than in front or behind it.

    Normal vision

    illustration

  • Normal vision

    Normal vision - illustration

    Normal vision occurs when light is focused directly on the retina rather than in front or behind it.

    Normal vision

    illustration

 

Review Date: 11/8/2023

Reviewed By: Franklin W. Lusby, MD, Ophthalmologist, Lusby Vision Institute, La Jolla, CA. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.

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