Journals / Glokom Katarakt / 2016 / Cilt: 11 - Sayı: 3

Association of Biometric Measurements and Corneal Astigmatism with Age in Patients Who are Planned for Cataract Surgery

Katarakt Ameliyatı Planlanan Hastalarda Biyometrik Ölçümlerin ve Korneal Astigmatizmanın Yaş ile İlişkisi

Pages
190–193
DOI
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Conclusions: High frequency of with the rule astigmatism in young age groups and high frequency of against the rule astigmatism in elderly groups seems to be important for the choice of clear corneal incision site (superior/temporal), astigmatic correction surgeries and preference of toric intraocular lenses

📌 3 Key Takeaways

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Objective & Hypothesis:Purpose: To determine mean biometric values, amounts of corneal astigmatism, types of corneal astigmatism, and their relationships with age in patients who are planned for cataract surgeryMaterials and Methods: Axial length, anterior chamber depth, corneal curvature of flat and steep meridian (K1, K2), corneal astigmatism amount (K2-K1), astigmatism type (with the rule, against the rule, oblique) values of phakic right eye from 275 patients were examined from the coherence interferometer in this descriptive study.
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Key Findings & Data:Age was divided into 5 groups (<=40, 41-50, 51-60, 61-70, >70).
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Conclusion & Impact:Conclusions: High frequency of with the rule astigmatism in young age groups and high frequency of against the rule astigmatism in elderly groups seems to be important for the choice of clear corneal incision site (superior/temporal), astigmatic correction surgeries and preference of toric intraocular lenses
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

Purpose: To determine mean biometric values, amounts of corneal astigmatism, types of corneal astigmatism, and their relationships with age in patients who are planned for cataract surgeryMaterials and Methods: Axial length, anterior chamber depth, corneal curvature of flat and steep meridian (K1, K2), corneal astigmatism amount (K2-K1), astigmatism type (with the rule, against the rule, oblique) values of phakic right eye from 275 patients were examined from the coherence interferometer in this descriptive study. Age was divided into 5 groups (<=40, 41-50, 51-60, 61-70, >70). Comparisons were performed between different age groups and the causative groups of the differences were found. Results: Mean corneal astigmatism was 1.00±0.74 diopters (D) and 60.8% (n=167) of the cases were lower than 1 D, 39.2% (n=108) of the cases were higher than 1 D. According to astigmatism type, 40.0% (n=110) was with the rule, 36.4% (n=100) was against the rule, 23.6% (n=65) was oblique. There was a statistically significant difference between age groups according to astigmatism type (p<0.001). This difference resulted from comparisons between age groups of <=40 and 61-70 (p=0.01); and between age groups of <=40 and >70 (p<0.001). Against the rule astigmatism increased with age. Conclusions: High frequency of with the rule astigmatism in young age groups and high frequency of against the rule astigmatism in elderly groups seems to be important for the choice of clear corneal incision site (superior/temporal), astigmatic correction surgeries and preference of toric intraocular lenses

Özet

Amaç: Katarakt cerrahisi planlanan hastalarda ortalama biyometri değerlerini, korneal astigmatizma miktarını, korneal astigmatizma tiplerini ve bunların yaş ile ilişkisini belirlemek.Gereç ve Yöntem: Bu tanımlayıcı çalışmada katarakt ameliyatı planlanan 275 hastanın fakik sağ gözlerine ait aksiyel uzunluk, ön kamara derinliği, yatay ve dikey aksta korneal kurvatür eğriliği (K1, K2), korneal astigmatizma miktarı (K2-K1) ile astigmatizma tipi (kurala uygun, kurala aykırı, oblik) koherans interferometre kayıtlarından incelendi. Yaş açısından hastalar 5 gruba ayrıldı ( 70). Yaş grupları arasında veriler açısından fark olup olmadığı ve farka sebep olan gruplar saptandı. Bulgular: Ortalama korneal astigmatizma 1.00±0.74 diyoptri (D) idi ve olguların %60.8'inde (n=167) 1.00 D altı, %39.2'sinde (n=108) 1.00 D ve üzeri astigmatizma mevcuttu. Astigmatizma tipine göre tüm olguların %40.0'ı (n=110) kurala uygun, %36.4'ü (n=100) kurala aykırı ve %23.6'sı (n=65) oblik astigmatizma olarak saptandı. Yaşlara göre oluşturulan gruplar arasında astigmatizma tipi açısından istatistiksel olarak anlamlı fark saptandı (p 70 yaş gruplarının (p<0.001) karşılaştırmasından kaynaklandığı bulundu. Yaş arttıkça astigmatizma tipinde kurala aykırılığın arttığı belirlendi.Sonuç: Katarakt ameliyatı planlanan genç yaş grubu hastalarda kurala uygun astigmatizmanın, ileri yaş grubu hastalarda kurala aykırı astigmatizmanın daha sık görülmesi katarakt cerrahisi sırasında yapılacak olan ana korneal kesi yerleri (üst giriş/temporal giriş), astigmatizma düzeltme cerrahileri ve seçilecek torik göz içi merceği açısından önemli görünmektedir

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Cite This Article

KÖYLÜ, M. T., ÖZGE, G., AYYILDIZ, Ö., ŞENYÜZ, F., MUMCUOĞLU, T. (2016). Association of Biometric Measurements and Corneal Astigmatism with Age in Patients Who are Planned for Cataract Surgery. Glokom Katarakt, Cilt: 11 - Sayı: 3, 190–193. https://ajindex.com/articles/195427

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