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Cataract

Yasir Ahmed, MD and Ingrid U. Scott, MD, MPH Reviewed 06/2018
 


BASICS

DESCRIPTION

  • A cataract is any opacity or discoloration of the lens, localized or generalized; the term is usually reserved for changes that affect visual acuity (1,2).

  • Etymology: from Latin catar...

DIAGNOSIS

HISTORY

  • Age-related cataract:

    • Decreased visual acuity, blurred vision, distortion, or “ghosting” of images (1,2)

    • Problems with visual acuity in any lighting condition

    • Falls or accidents; injur...

TREATMENT

  • Outpatient (usually)

  • ~1.64 million cataract extractions in the United States yearly (3,4)

GENERAL MEASURES

Eye protection from UV light 

MEDICATION

There are currently no medications to prevent o...

ONGOING CARE

FOLLOW UP RECOMMENDATIONS

Patient Monitoring

  • As cataract progresses, an ophthalmologist may change spectacle correction to maintain vision. When this is no longer successful and interferes ...

REFERENCES

1
1 Asbell PA, Dualan I, Mindel J, et al. Age-related cataract. Lancet.  2005;365(9459):599–609. {L-End} {L-End} [View Abstract on OvidMedline]
2
2 Abraham AG, Condon NG, West Gower E....

SEE ALSO

  • Floppy Iris Syndrome

  • Algorithm: Cataracts

CODES

ICD10

  • H26.9 Unspecified cataract

  • H25.9 Unspecified age-related cataract

  • Q12.0 Congenital cataract

  • H26.40 Unspecified secondary cataract

  • H26.32 Drug-induced cataract, left eye

  • H26.491 Other secondary c...

CLINICAL PEARLS

  • Cataracts are the leading cause of blindness worldwide; 90% are age-related.

  • Primary indication for cataract surgery is visual impairment leading to significant lifestyle changes for th...

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