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Validitas Pemeriksaan Refraksi Subjektif Menggunakan Phoropter Lipat pada Pasien Miopia dan Astigmatisme Dewasa Muda = Validity of Subjective Refraction using Folding Phoropter in Myopic and Astigmatism Young Adult Patients

Siti Rayhani Fadhila; Tri Rahayu, supervisor; Dewi Friska, supervisor; Yeni Dwi Lestari, supervisor; Andi Arus Victor, examiner; Made Susiyanti, examiner; Umar Mardianto, examiner (Fakultas Kedokteran Universitas Indonesia, 2024)

 Abstract

Latar belakang: Kelainan refraksi yang tidak terkoreksi masih menjadi penyebab tersering gangguan penglihatan di dunia terutama di area terpencil. Phoropter lipat merupakan alat baru yang diciptakan untuk memeriksa kelainan refraksi secara mandiri. Tujuan: Mengetahui validitas phoropter lipat dibandingkan dengan refraksi subjektif konvensional (baku emas) pada miopia dan astigmatisme pada populasi dewasa muda. Metode: Desain potong lintang pada pasien miopia dan astigmatisme yang berusia 18-<40 tahun. Seluruh subjek diperiksa status refraksinya dengan refraksi subjektif konvensional yang dilanjutkan dengan pengukuran refraksi menggunakan phoropter lipat. Validitas phoropter lipat dianalisis dengan kurva ROC dan Bland Altman. Hasil: Terdapat 134 subjek (203 mata) yang terdiri dari miopia (92,6%) dan astigmatisme (62,6%). Rerata sferikal ekuivalen (SE) antara refraksi subjetif konvensional dan phoropter lipat adalah -2,160D (1,68) dan -2,468D (1,64) pada miopia, sedangkan pada astigmatisme -2,252D (1,76) dan -2,585D (1,75). Phoropter lipat memiliki sensitivitas yang tinggi (96,77%) serta spesifisitas yang rendah (61,11%). Nilai area under the curve (AUC) phoropter lipat sangat baik, 0,966. Perbedaan rerata antara hasil refraksi subjektif dan phoropter lipat sekitar 0,308 – 0,359 dengan rentang LoA -1,562 – 2,219 pada miopia dan LoA -1,707 – 2,373 pada astigmatisme. Kesimpulan: Phoropter lipat memiliki validitas yang baik dalam mengukur kelainan refraksi berbasis SE penderita miopia dan astigmatisme dewasa muda.

Background: Uncorrected refractive error remains the main cause of vision impairment particulary in remote areas. The Folding Phoropter device is a new self-refraction tool that allows users to determine their own refractive error. Objective: To determine the validity of the folding phoropter compared with conventional subjective refraction (gold standard) in myopic and astigmatism young adults. Method: A cross-sectional study in myopic and astigmatism patients aged 18-<40years. All subjects had their refractive status checked using conventional subjective refraction followed by refraction measurements using a folding phoropter. The validity of the folding phoropter was analyzed by ROC curves and Bland Altman. Results: The 134 participants (203 eyes) enrolled consisted of myopia (92.6%) and astigmatism (62.6%). Mean spherical equivalent (SE) measured by conventional subjective refraction and folding phoropter were -2.160D (1.68) and -2.468D (1.64), respectively in myopia, while in astigmatism, mean SE were and -2.252D (1.76) and -2.585 D (1.75). The folding phoropter had high sensitivity (96.77%) and low specificity (61.11%). The folding phoropter had very good AUC, 0.966. The average difference between the results of subjective refraction and folding phoropter was around 0.308 – 0.359 with a range of LoA -1.562 – 2.219 in myopia and LoA -1.707 – 2.373 in astigmatism. Conclusion: The folding phoropter has good validity in measuring SE-based refractive errors in young adults with myopia and astigmatism.

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 Metadata

Collection Type : UI - Tugas Akhir
Call Number : SP-pdf
Main entry-Personal name :
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Publishing : Jakarta: Fakultas Kedokteran Universitas Indonesia, 2024
Record of Work Spesialis S2
Cataloguing Source LibUI ind rda
Content Type text
Media Type computer
Carrier Type online resource
Physical Description xiv, 125 pages : illustration + appendix
Concise Text
Holding Institution Universitas Indonesia
Location Perpustakaan UI
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Call Number Barcode Number Availability
SP-pdf 16-25-08741947 TERSEDIA
Review:
No review available for this collection: 9999920549344
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