قطع القرنية الضوئي الانكساري عبر الظهارة في الحسر
Abstract
الهدف: دراسة نتائج قطع القرنية الضوئي الانكساري عبر الظهارة في علاج حسر البصر.
الطرق: تم علاج مرضى الحسر مع أو بدون لا بؤرية بقطع القرنية الضوئي الانكساري عبر الظهارة. تم دراسة أسواء الانكسار و القدرة البصرية المصححة قبل الجراحة و بعد شهر و 3 أشهر و 6 أشهر من الجراحة كما تم مراقبة تشكل الضبابية بعد الجراحة.
النتائج: تم دراسة 220 عين ل 110 مريض. كان متوسط القدرة البصرية غير المصححة (0.11±0.13) قبل الجراحة و أصبحت (0.71±0.14) , (0.9±0.12) , (0.97±0.05) ’ (0.98±0.07) على التوالي في الأسبوع الأول, الشهر الأول, الشهر الثالث و الشهر السادس بعد الجراحة. كان المكافئ الكروي لأسواء الانكسار (كسيرة-3.43±1.3) قبل الجراحة , و أصبح (كسيرة0.43±0.06) بالشهر الأول و (0.62±0.11) بالشهر الثالث و (كسيرة0.47±013) بالشهر السادس بعد الجراحة.
الخلاصة: إن قطع القرنية الضوئي الانكساري عبر الظهارة فعال في علاج حسر البصر.
Aim: To study the effectiveness of transepit
helial photorefractive keratectomy for myopia.
Methods: Myopic eyes with or without astigmatism were treated by transepithelial PRK. Uncorrected distance visual acuity (UDVA), and refraction were analyzed preoperatively and 1 month, 3 month and 6 month postsurgery.
Results: Two hundred twenty eyes of 110 patients were enrolled in this study. Mean preoperative uncorrected visual acuity was (0.11±0.13). The mean postoperative uncorrected visual acuity was (0.71±0.14) , (0.9±0.12), (0.97±0.05) , (0.98±0.07) ) at first week, first , third and sixth month respectively. The mean spherical equivalence was (-3.43±1.3D) diopter preoperatively and became (0.43±0.06D) , (0.62±0.11D) , (0.47±013D) at first, third and sixth month after surgery.
Conclusion: Transepithelial photorefractive keratectomy is effective in treating myopia.
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