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PubMed · 7699724

Refractive surgery and the athlete.

R F Beran·C Stewart·J Doty
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Abstract

1. Athletes and medical professionals alike need to understand the basic methods of the new techniques, limitations, and benefits in refractive surgery as the field continues to offer new avenues in optical correction. 2. Wearing the appropriate protective eye wear is crucial to the health of the eyes, regardless of whether surgery has already been performed. The eyes are vulnerable to a variety of potential injuries, and proper care should be taken when participating in sports, especially for those who have undergone eye surgery. 3. The four basic surgical procedures presently in common practice each offer their own unique advantages to improving eyesight, and each has differing risks and residuals involved in the procedures.

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Corneal TransplantationHumansKeratotomy, RadialRefractive Surgical ProceduresSportsVision, OcularJournal Article

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R F Beran, C Stewart, J Doty. Refractive surgery and the athlete.. https://pubmed.ncbi.nlm.nih.gov/7699724/

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How effective is penetrating corneal transplantation? Factors influencing long-term outcome in multivariate analysis.

BACKGROUND: In a large patient cohort, we investigated long-term corneal graft outcome, risk factors for graft failure, and whether corneal graft survival had improved over time. METHODS: Records of 10,952 full-thickness corneal grafts with associated archival follow-up were examined within a prospectively-maintained, national database of 13,831 records, with follow-up extending for up to 18 years. Kaplan-Meier survival analysis was used to indicate variables of interest for Cox proportional hazards regression analysis. A model clustered by individual patient to control for inter-eye or inter-graft dependence was constructed to identify variables best predicting penetrating corneal graft failure. RESULTS: Probability of corneal graft survival was 0.86 at 1 year, 0.73 at 5 years, 0.62 at 10 years, and 0.55 at 15 years. Graft survival did not improve over a 15-year timeframe. Variables predicting graft failure in multivariate analysis included transplant centre, donor age, preoperative diagnosis, number of previous ipsilateral grafts, lens status, history of corneal neovascularisation, ocular inflammation or raised intraocular pressure in the grafted eye, requirement for anterior vitrectomy, graft size, early suture removal, postoperative events including graft neovascularisation, rise in intraocular pressure, and rejection episodes, type of treatment for raised intraocular pressure, and arrangements for recipient follow-up. A further 11 variables showing a significant influence on graft survival in univariate analysis were not included in the final Cox model. CONCLUSION: The long-term results of corneal transplantation are no better than for other forms of transplantation and have shown no measurable improvement over the past 15 years.

Corneal Transplantation↗