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Updated: May 11, 2026

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Oxygen-Induced Retinopathy Model for Ischemic Retinal Diseases in Rodents
Published on: September 16, 2020
High altitude retinopathy.
Muna P Bhende1, Aashraya P Karpe, Bikramjit P Pal
1Sri Bhagwan Mahavir Vitreoretinal Services, Vision Research Foundation, Sankara Nethralaya, Chennai, India.
Indian Journal of Ophthalmology
|May 21, 2013
Summary
High altitude retinopathy can cause vision loss and retinal hemorrhages in individuals ascending rapidly. This case study shows spontaneous resolution of these symptoms in a healthy 57-year-old male.
Area of Science:
- Ophthalmology
- Altitude Medicine
- Retinal Diseases
Background:
- High altitude retinopathy (HAR) affects individuals exposed to rapid ascent or prolonged stays at high altitudes.
- It is characterized by retinal changes including hemorrhages, edema, and cotton wool spots.
Observation:
- A 57-year-old healthy male presented with sudden bilateral vision diminution.
- Clinical examination revealed retinal hemorrhages in both eyes, consistent with high altitude retinopathy.
Findings:
- The patient's visual acuity and retinal hemorrhages showed complete and spontaneous resolution without specific intervention.
- This suggests a self-limiting course for certain presentations of HAR.
Implications:
- This case highlights the potential for spontaneous recovery from high altitude retinopathy.
- Further research into the natural history and prognostic factors of HAR is warranted.
- Clinicians should be aware of HAR in patients with relevant exposure history presenting with visual disturbances.
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