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Updated: May 26, 2026
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A Laser-induced Mouse Model of Chronic Ocular Hypertension to Characterize Visual Defects
Published on: August 14, 2013
SD-OCT features of laser pointer maculopathy before and after systemic corticosteroid therapy.
Mohammad Hossein1, Jabbarpour Bonyadi, Roham Soheilian
1Ophthalmology Department and Ophthalmic Research Center, Labbafinejad Medical Center, Shahid Beheshti Medical University, Tehran, Iran.
Summary
Accidental laser pointer exposure caused maculopathy, visualized by spectral-domain optical coherence tomography (SD-OCT). While corticosteroids improved vision, residual retinal damage persisted, highlighting SD-OCT
Area of Science:
- Ophthalmology
- Medical Imaging
- Retinal Diseases
Background:
- Laser pointers, particularly Class 3R (532 nm, 3.5-4.5 mW), pose a risk for eye injury.
- Accidental exposure can lead to retinal damage, specifically maculopathy.
Observation:
- A 25-year-old man experienced blurred vision and metamorphopsia after <1 second of laser pointer exposure.
- Spectral-domain optical coherence tomography (SD-OCT) revealed a hyperreflective band in the foveal region.
Findings:
- High-dose systemic corticosteroid treatment led to the disappearance of foveal hyperreflectivity on SD-OCT within 1 week.
- Residual disruption of the outer retinal layer at the fovea remained evident at 6 months post-exposure.
- SD-OCT proved sensitive in detecting laser-induced retinal damage and monitoring treatment response.
Implications:
- SD-OCT is a valuable tool for diagnosing and assessing the severity of laser pointer-induced maculopathy.
- Early corticosteroid treatment may resolve acute OCT findings, but long-term structural changes can persist.
- This case underscores the importance of laser safety and awareness regarding potential retinal injuries from common laser devices.
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