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[Changes in ocular refraction after tamponade with silicone oil]
S Pavlović1, Z Tomić, S Latinović
1Klinika za ocne bolesti, Medicinski fakultet, Novi Sad.
Medicinski Pregled
|January 1, 1996
Summary
Intravitreal silicone oil injection causes significant refractive shifts, with aphakic eyes experiencing a mean myopic shift of -6.63 Dsph. Silicone oil removal also induces refractive changes, impacting visual outcomes after vitreoretinal surgery.
Area of Science:
- Ophthalmology
- Retinal Surgery
- Optometry
Context:
- Vitreoretinal surgery often requires intraocular tamponade agents like silicone oil.
- Understanding the refractive consequences of silicone oil is crucial for managing patient vision post-surgery.
Purpose:
- To investigate and quantify the refractive changes associated with intravitreal silicone oil injection and subsequent removal.
- To compare the refractive effects of silicone oil insertion versus extraction in phakic and aphakic eyes.
Summary:
- Retrospective analysis of 25 eyes revealed significant refractive shifts after silicone oil tamponade.
- Phakic eyes showed a mean hyperopic shift of +5.07 Dsph, while aphakic eyes had a mean myopic shift of -6.63 Dsph.
- Silicone oil extraction induced a mean myopic shift of -5.57 Dsph, and subsequent removal from aphakic eyes resulted in a mean hyperopic shift of +5.86 Dsph.
Impact:
- The findings highlight the substantial impact of silicone oil on ocular refraction, necessitating careful preoperative and postoperative refractive assessment.
- Refractive changes may be influenced by factors such as eye elongation, potentially related to surgical procedures like cerclage.
- This research aids ophthalmologists in predicting and managing refractive outcomes for patients undergoing vitreoretinal surgery with silicone oil.