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Published on: July 23, 2016
Ocular toxicity of systemic medications: a case series
1VA Greater Los Angeles Healthcare System, West Los Angeles Healthcare Center, California, USA.
Background:
There are many visually threatening conditions that may result from long-term use of systemic medications. Many of these adverse side effects can be greatly reduced or prevented with close monitoring of patients. In view of current knowledge, updated clinical guidelines for appropriate monitoring of ocular toxicity from systemic medications need to be developed for the eye care practitioner.
Case Review:
There have been many reports of ocular toxicity from isoniazid, thioridazine, steroids, and amiodarone therapy. Clinical cases illustrating possible adverse ocular side effects are presented, which include INH-induced optic neuropathy, phenothiazine-induced retinopathy, steroid-induced glaucoma, and vortex epitheliopathy secondary to amiodarone.
Conclusion:
Optometrists should be aware of the potential for ocular side effects from systemic medications. Eye care guidelines for monitoring ocular side effects from thioridazine, INH, steroids, and amiodarone use are suggested.
Insights
Systemic medications can cause serious eye problems, but regular monitoring by eye care practitioners can prevent or reduce these risks. Updated guidelines are needed to manage ocular toxicity from common drugs.
Area of Science:
- Ophthalmology
- Pharmacology
- Clinical Medicine
Background:
- Long-term systemic medication use can lead to visually threatening conditions.
- Proactive patient monitoring is crucial for mitigating adverse ocular effects.
- Current clinical guidelines require updates for monitoring drug-induced ocular toxicity.
Observation:
- Ocular toxicity has been reported with isoniazid, thioridazine, steroids, and amiodarone.
- Clinical cases include isoniazid-induced optic neuropathy and steroid-induced glaucoma.
- Phenothiazine-induced retinopathy and amiodarone-related vortex epitheliopathy are also noted.
Findings:
- Systemic drugs pose significant risks for ocular health.
- Specific medications like isoniazid, thioridazine, steroids, and amiodarone are associated with distinct toxicities.
- Early detection of ocular side effects is possible through vigilant monitoring.
Implications:
- Eye care practitioners must be aware of potential ocular side effects from systemic drugs.
- Development of evidence-based monitoring guidelines is essential for optometrists.
- Implementing updated guidelines can improve patient outcomes and prevent vision loss.
Related Concept Videos
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Drug Toxicity: Overview
Drug Toxicity: Risk factors
Drug Toxicity: Dose-Dependent Reactions
Drug Toxicity: Allergic Reactions
Drug toxicity: Idiosyncratic Reactions

