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Interstitial keratitis - External and Internal Eye
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Interstitial keratitis - External and Internal Eye

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Contributors: Brandon D. Ayres MD, Christopher Rapuano MD, Harvey A. Brown MD, Sunir J. Garg MD, Lauren Patty Daskivich MD, MSHS
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Synopsis

Interstitial keratitis (IK) is an inflammatory condition causing inflammation in the corneal and anterior segment of the eye. This inflammation will cause deep corneal neovascularization. Patients with IK tend to present in the first to second decade of life. If it is the first presentation of IK, it will be associated with ocular pain, redness, photophobia, and often reduced vision. Once a patient has suffered from an episode of IK, the scarring and corneal neovascularization will remain. The most common etiology of IK is syphilis. Many times the syphilis is congenital and will affect both eyes (though not always at the same time). If the syphilitic IK is acquired, it is more likely to affect only one eye. Other common conditions causing IK include herpes simplex virus (HSV), herpes zoster, leprosy, Lyme disease, tuberculosis, collagen vascular disease, HLA B-27 associated inflammatory conditions, and Cogan syndrome (hearing loss, IK, and tinnitus).

Codes

ICD10CM:
H16.309 – Unspecified interstitial keratitis, unspecified eye

SNOMEDCT:
1763009 – Interstitial keratitis

Look For

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Diagnostic Pearls

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Differential Diagnosis & Pitfalls

Best Tests

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Management Pearls

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Therapy

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Drug Reaction Data

Below is a list of drugs with literature evidence indicating an adverse association with this diagnosis. The list is continually updated through ongoing research and new medication approvals. Click on Citations to sort by number of citations or click on Medication to sort the medications alphabetically.

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References

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Last Updated: 04/18/2018
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Interstitial keratitis - External and Internal Eye
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Interstitial keratitis : Eye pain, Blurred vision, Photophobia, Corneal diffuse white infiltrate, Corneal focal white infiltrate, Corneal neovascularization, Corneal opacities, Conjunctival injection, Excessive tearing
Clinical image of Interstitial keratitis
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