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Glaucoma, Primary Open-Angle

Richard W. Allinson, MD Reviewed 06/2019
 


BASICS

DESCRIPTION

  • Primary open-angle glaucoma (POAG) is an optic neuropathy resulting in visual field loss frequently associated with increased intraocular pressure (IOP).

  • Normal IOP is 10 to 22 mm Hg....

DIAGNOSIS

HISTORY

Painless, slowly progressive visual loss; patients are generally unaware of the visual loss until late in the disease. Central visual acuity remains unaffected until late in the disea...

TREATMENT

GENERAL MEASURES

  • Early Manifest Glaucoma Trial

    • Early treatment delays progression.

    • The magnitude of initial IOP reduction influences disease progression.

  • Ocular Hypertension Treatment Study

    • Patie...

ONGOING CARE

FOLLOW-UP RECOMMENDATIONS

Patient Monitoring

  • Monitor vision and IOP every 3 to 6 months.

  • Visual field testing every 6 to 18 months

  • Optic nerve evaluation every 3 to 18 months, depending on PO...

REFERENCES

1
Souzeau E, Tram KH, Witney M, et al. Myocilin predictive genetic testing for primary open-angle glaucoma leads to early identification of at-risk individuals. Ophthalmology.  2017;124...

CODES

ICD10

  • H40.11X0 Primary open-angle glaucoma, stage unspecified

  • H40.11X1 Primary open-angle glaucoma, mild stage

  • H40.11X2 Primary open-angle glaucoma, moderate stage

  • H40.11X3 Primary open-angle glauco...

CLINICAL PEARLS

  • Pain is not a frequent symptom of POAG.

  • Painless, slowly progressive visual loss; patients generally are unaware of the visual loss until late in the disease. Central visual acuity rema...

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