Journals / Sakarya Tıp Dergisi / 2026 / Volume: 14 Issue: 3

The Efficacy of Prismatic Bifocal Spectacle Lenses in Controlling Myopia Progression in Children

Prizmatik Bifokal Gözlük Camlarının Çocuklarda Miyopi Kontrolündeki Etkinliği

Ali Altan Ertan Boz(Sakarya Üniversitesi Eğitim ve Araştırma Hastanesi)0000-0001-7740-5821
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Publication Date
2024-09-30
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AI Summary & Key Takeaways

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

However, further studies with larger sample sizes and longer follow-up periods are needed to fully assess the long-term effects of this treatment method.

📌 3 Key Takeaways

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Objective & Hypothesis:Objective: The progression of myopia can lead to vision impairment and increase the risk of sight-threatening complications.
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Key Findings & Data:Materials and Methods: Fifty-two eyes of 26 patients who used prismatic bifocal spectacle lenses were retrospectively analyzed.
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Conclusion & Impact:However, further studies with larger sample sizes and longer follow-up periods are needed to fully assess the long-term effects of this treatment method.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Axial length · Myopia progression · Prismatic bifocal spectacles

Abstract

Objective: The progression of myopia can lead to vision impairment and increase the risk of sight-threatening complications. Various treatment methods have been described to control the progression of myopia, including the use of specialized spectacle lenses. This retrospective study aimed to evaluate the efficacy of prismatic bifocal spectacle lenses in controlling the progression of myopia in pediatric patients. Materials and Methods: Fifty-two eyes of 26 patients who used prismatic bifocal spectacle lenses were retrospectively analyzed. Patients who showed an increase in myopia greater than 0.50 D during the last year of follow-up with single-vision spectacle lenses and whose eyes had a cycloplegic objective refraction measurement of ≥-2.00 D were included in the study. Demographic data of the patients such as age and gender were recorded. The increase in objective spherical equivalent and axial length after one year of using single-vision spectacle lenses were compared with the increase observed after one year of using prismatic bifocal spectacle lenses. The effects of potential variables such as age, sex, baseline myopia degree, and increase in axial length on myopia treatment were investigated. Results: The mean age of the patients was 11.65 ± 2.70 years. Sixteen patients were male, and 10 patients were female. The increase in mean spherical equivalent after using single-vision spectacle lenses was 1.25 ± 0.76 D, whereas it was 0.24 ± 0.14 D after using prismatic bifocal spectacle lenses and this difference was statistically significant. The increase in mean axial length with single-vision spectacle lenses was 0.66 ± 0.31 mm, whereas with bifocal spectacle lenses it was 0.014 ± 0.015 mm. The difference was also statistically significant. Prismatic bifocal spectacle lenses were found to be more effective in myopia treatment in eyes with high baseline myopia and a higher increase in axial length. Conclusion: Prismatic bifocal spectacle lenses have been found to be an effective in myopia control, particularly in children with rapid myopia progression. However, further studies with larger sample sizes and longer follow-up periods are needed to fully assess the long-term effects of this treatment method.

Özet

Amaç: Miyopi ilerlemesi ciddi görme bozukluğuna ve göz sağlığını tehdit eden komplikasyonlara neden olabilir. Özel dizayn gözlük camları da dahil olmak üzere çeşitli tedaviler miyopi ilerlemesini kontrol altına almak için kullanılmıştır. Bu retrospektif çalışma, prizmatik bifokal gözlük camlarının çocuklarda miyopi kontrolündeki etkinliğini değerlendirmeyi amaçlamaktadır. Gereç ve Yöntemler: Prizmatik bifokal gözlük camları kullanan 26 hastanın 52 gözü retrospektif olarak incelendi. Bir yıl tek odaklı gözlük camı kullanımı sonrası miyopi artışı ≥ 0.50 D olan ve sikloplejik objektif refraksiyon ölçümü ≥-2.00 D olan hastalar çalışmaya dahil edildi. Hastaların yaş ve cinsiyet gibi demografik verileri kaydedildi. Bir yıl tek odaklı gözlük camı kullanımı sonrası objektif sferik ekivalan ve aksiyal uzunluk artış değerleri, bir yıl prizmatik bifokal gözlük camı kullanımı sonrasındaki artış değerleriyle karşılaştırıldı. Yaş, cinsiyet, başlangıç miyopi derecesi ve aksiyal uzunluk artışı gibi potansiyel değişkenlerin miyopi tedavisindeki etkileri incelendi. Bulgular: Hastaların yaş ortalaması 11.65 ± 2.70 yıldı. Hastaların 16'sı erkek ve 10'u kadındı. Tek odaklı gözlük camı kullanımı sonrası ortalama sferik ekivalan artışı 1.25 ± 0.76 D iken, prizmatik bifokal gözlük camı kullanımı sonrası 0.24 ± 0.14 D idi ve iki değer arasındaki fark istatistiksel olarak anlamlı bulundu. Tek odaklı gözlük camı ile aksiyal uzunlukta artış 0.66 ± 0.31 mm iken, bifokal gözlük camı ile bu artış 0.014 ± 0.015 mm olarak bulundu ve iki değer arasındaki fark istatistiksel olarak anlamlı idi. Başlangıç yüksek miyopi derecesine sahip ve aksiyal uzunluk artışının fazla olduğu gözlerde prizmatik bifokal gözlük camlarının miyopi kontrolünde daha etkin olduğu bulundu. Sonuç: Prizmatik bifokal gözlük camlarının, çocuklarda özellikle hızlı ilerleme gösteren gözlerde miyopi kontrolünde etkili bir tedavi yöntemi olduğu bulundu. Ancak, bu tedavi yaklaşımının uzun dönem etkilerini tam olarak gösterebilmek için daha büyük örneklemler ve daha uzun takip süreli çalışmalar gereklidir.

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Cite This Article

Boz, A. A. E. (2024). The Efficacy of Prismatic Bifocal Spectacle Lenses in Controlling Myopia Progression in Children. Sakarya Tıp Dergisi, Volume: 14 Issue: 3. https://doi.org/10.31832/smj.1512209

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