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Updated: Jun 24, 2026

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Three Different Protocols of Corneal Collagen Crosslinking in Keratoconus: Conventional, Accelerated and Iontophoresis
Published on: November 12, 2015
Cornea fistula.
1Department of Ophthalmology, University of Rochester Medical Center, New York.
Summary
A rare case of corneal fistulization after acute hydrops in keratoconus was successfully treated with thermokeratoplasty, preserving good vision. This highlights potential complications and treatment options for keratoconus patients.
Area of Science:
- Ophthalmology
- Corneal Diseases
- Ophthalmic Surgery
Background:
- Keratoconus is a progressive thinning disorder of the cornea.
- Acute hydrops is a known complication of keratoconus, involving stromal edema.
- Corneal rupture and fistulization are rare but severe complications.
Observation:
- A patient with keratoconus developed acute hydrops.
- Corneal fistulization occurred as a consequence of acute hydrops.
- The condition presented as an unreported complication.
Findings:
- Thermokeratoplasty was employed as a treatment modality.
- The thermokeratoplasty procedure resulted in favorable visual outcomes.
- The case represents the first reported instance of corneal fistulization post-acute hydrops.
Implications:
- Highlights the importance of vigilance for rare complications in keratoconus management.
- Suggests thermokeratoplasty as a viable treatment for post-hydrops fistulization.
- Emphasizes the need for prompt recognition and intervention in such cases.
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