Journals / MN Oftalmoloji / 2013 / Cilt: 20 - Sayı: 4

Evaluation of corneal biomechanical properties measured by ocular response analyzer in eyes with pterygium

Pterjiyumlu hastalarda oküler cevap analizörü ile ölçülen korneal biyomekanik özelliklerin değerlendirilmesi

Pages
227–231
DOI
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

Conlusion: Pterygium is not an effective factor on the parameters of corneal biomechanics.

📌 3 Key Takeaways

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Objective & Hypothesis:Aim: To evaluate corneal biomechanic parameters of pterjium with Ocular Response Analyzer (ORA) and investigate the relationship between pterygium size, recurrence and ORA parameters.
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Key Findings & Data:The ORA parameters of the eyes were compared between groups of 85 eyes with pterygium and 85 healthy eyes of the same patients.
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Conclusion & Impact:Conlusion: Pterygium is not an effective factor on the parameters of corneal biomechanics.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

Aim: To evaluate corneal biomechanic parameters of pterjium with Ocular Response Analyzer (ORA) and investigate the relationship between pterygium size, recurrence and ORA parameters. Material and Method: Eighty five patients with unilateral pterygium were included. Detailed ophthalmic examination including corneal hysteresis (CH), corneal resistance factor (CRF), compansated intraocular pressure (cİOP) measurement according to corneal biome- chanic parameters and intraocular pressure measurement with Goldmann applanation tonom- etry was performed. The ORA parameters of the eyes were compared between groups of 85 eyes with pterygium and 85 healthy eyes of the same patients. Patients were divided into two groups according to the length of the pterygium from the limbus (Group 1a: <4mm, group 2a: >4mm). Additionally another grouping was done according to the recurrence rate of ptery- gium after surgery (Group 1b: primary pterygium, group 2b: recurrent pterygium). And the ORA parameters were compared between the groups. Results: This study included 85 eyes of 85 patients (61 males and 24 females). Mean age was 47.60±13.40 (18-77). Fifty four of the eyes (63.5%) had primary pterygium and 33 (38.8%) of them had a 4mm or longer pterygium tissue. The ORA parameters of the eyes with pterygium had no significant difference from healthy eyes (p>0.05). Furthermore the length and the re- currence rate of the pterygium was not found to be effective on the ORA parameters (p>0.05). Conlusion: Pterygium is not an effective factor on the parameters of corneal biomechanics.

Özet

Amaç: Pterjiyumlu gözlerde Oküler Cevap Analizörü (OCA) ile ölçülen kornea biyomeka- nik parametrelerini değerlendirmek ayrıca pterjiyum uzunluğunun ve primer veya nüks pterji- yum oluşumunun OCA parametrelerine etkisini incelemek. Gereç ve Yöntem: Çalışmaya tek taraflı pterjiyumu olan 85 hasta alındı. OCA cihazı ile el- de edilen kornea histerezis (KH), korneal rezistans faktör (KRF), korneanın biyomekanik özel- likleri ile kompanse edilmiş GİB değeri (GİBkk) ve Goldmann ile uyumlu GİB (GİBg) değeri kaydedildi. Tüm olguların pterjiyumlu gözlerinin OCA parametreleri, sağlam gözlerinin para- metreleri ile karşılaştırıldı. Hastalar pterjiyum uzunluğuna göre 4mm’den kısa ve 4 mm’den uzun olanlar olarak 2 gruba ayrıldı ve OCA paremetreleri karşılaştırıldı. Ayrıca hastalar primer pterjiyum ve nüks pterjiyum olarak da 2 gruba ayrıldı ve OCA paremetreleri karşılaştırıldı. Bulgular: Çalışmaya alınan 85 olgunun 24’ü kadın, 61’i erkek olup yaş ortalaması 47,60±13,40 (18-77) yıl idi. Seksen beş olgunun 54’ü (%63,5) primer pterjiyum iken tüm ol- guların 33’ünde (%38,8) ise pterjiyum uzunluğu 4mm’den uzundu. Olguların pterjiyumlu göz- leri ile sağlam gözleri arasında OCA parametreleri açısından anlamlı fark yoktu (p>0,05). Ayrıca pterjiyum uzunluğunun ve nüks veya primer pterjiyum oluşunun da OCA parametrele- ri üzerinde anlamlı değişiklik yapmadığı bulundu (p>0,05). Sonuç: Pterjiyum, OCA ile ölçülen kornea biyomekaniğini gösteren parametrelerde an- lamlı değişiklik yapmamaktadır.

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Cite This Article

ÖZGÜRHAN, E. B., DÜNDAR, H., BOZKURT, E., ÇANKAYA, K. İ., ALTINKAYNAK, H., KARA, N., DEMİROK, K. İ. (2013). Evaluation of corneal biomechanical properties measured by ocular response analyzer in eyes with pterygium. MN Oftalmoloji, Cilt: 20 - Sayı: 4, 227–231. https://ajindex.com/articles/291410

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