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Updated: Aug 12, 2026

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Recurrent Herpetic Stromal Keratitis in Mice, a Model for Studying Human HSK
Published on: December 18, 2012
Interstitial keratitis in untreated latent (late) syphilis
Summary
Untreated latent syphilis can cause vision problems in older adults. Prompt serological testing and cerebrospinal fluid examination are crucial for timely treatment and preventing neurosyphilis.
Area of Science:
- Ophthalmology
- Infectious Diseases
- Neurology
Background:
- Untreated latent syphilis is a potential cause of interstitial keratitis and refractive errors in the elderly.
- Ocular manifestations of syphilis require thorough investigation, including serological testing.
Observation:
- Six case histories from 1962-1979 at The Royal Victorian Eye and Ear Hospital illustrate the presentation of syphilis in older patients.
- Patients presented with refractive problems attributed to interstitial keratitis.
Findings:
- Serological tests are vital to ascertain past syphilis treatment adequacy.
- Cerebrospinal fluid analysis is essential to rule out asymptomatic neurosyphilis, necessitating inpatient therapy.
- Penicillin treatment is indicated for latent syphilis, with outpatient administration feasible if the central nervous system is unaffected.
Implications:
- Early and accurate diagnosis of latent syphilis is critical for managing ocular complications.
- Neurosyphilis requires prompt and intensive systemic treatment.
- Appropriate management of latent syphilis, even without CNS involvement, can prevent serious long-term sequelae.
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