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Corneal transplantation for endothelial pigmentation.
Annals of Ophthalmology
|November 1, 1979
Summary
Dense endothelial pigmentation, a rare complication, can impair vision after corneal grafts. This case highlights pigment deposition in corneal endothelial cells following alkali burns and multiple surgeries.
Area of Science:
- Ophthalmology
- Corneal Science
- Cell Biology
Background:
- Endothelial pigmentation typically does not affect vision.
- Corneal endothelial cells play a crucial role in maintaining corneal clarity.
- Previous corneal grafts can be complicated by various factors.
Observation:
- A case report details significant uveal pigment deposition within corneal endothelial cells.
- The patient had a history of alkali burn injury and two prior corneal grafts.
- The affected graft remained structurally sound but vision was compromised.
Findings:
- Extensive endothelial pigmentation was observed in the corneal graft.
- The deposition of uveal pigment led to impaired visual acuity.
- Multiple factors including chemical injury, iritis, glaucoma, and prior surgeries likely contributed.
Implications:
- Endothelial pigmentation may be an emerging complication in managing severely damaged anterior eye segments.
- Understanding the causes of pigment dispersion is crucial for preventing vision loss.
- This case underscores the complex interplay of factors leading to ocular complications after trauma and surgery.