Incidence of myopia has continued to increase in the last few decades and is expected to increase continually from time to time. Early detection of myopia is expected to prevent the occurrence of amblyopia, strabismus or other eye disorders. Autorefractor is a medical device that can be used before refraction examination in order to increase the efficiency in measurement of refractive disorders. However, the autorefractor used needs to be tested first to ensure the reliability of the tool in supporting clinical examinations. This study aimed to evaluate the reliability of the NIDEK TONOREF III autorefractor in daily clinical practice in young myopia population. The results obtained 42 subjects with myopic refractive error aged 20-41 years. The majority were females and had mild myopia. The statistical analysis showed no significant difference in the calculation of pupillary distance (p=0.581) and the correction results (p=0.842) between autorefractor and subjective refraction. In conclusion, the NIDEK Tonoref III autorefractor exhibits a high degree of reliability in evaluating glasses prescription and pupillary distance for cases of myopia. Keywords: autorefractor; myopia; NIDEK TONOREF III; objective refraction; subjective refraction Abstrak: Angka kejadian miopia terus mengalami peningkatan dalam beberapa dekade terakhir dan diperkirakan akan terus bertambah. Deteksi dini miopia diharapkan dapat mencegah terjadinya ambliopia, strabismus ataupun kelainan mata lainnya. Autorefraktor merupakan alat pemeriksaan yang dapat digunakan mendahului pemeriksaan refraksi untuk meningkatkan efisiensi pemeriksaan kelainan refraksi. Namun, autorefraktor yang digunakan perlu diuji terlebih dahulu sehingga menjamin keterandalan alat dalam menunjang pemeriksaan klinis. Penelitian ini bertujuan untuk menguji keterandalan autorefraktor NIDEK TONOREF III dalam praktik klinis sehari-hari pada populasi miopia muda. Hasil penelitian mendapatkan 42 subjek penelitian dengan kelainan refraksi miopia pada rentang usia 20-41 tahun. Subjek terbanyak berada pada kategori miopia ringan dan berjenis kelamin perempuan. Hasil uji t-independen menunjukkan tidak terdapat perbedaan bermakna pada perhitungan jarak antar pupil (p=0,581) serta hasil koreksi (p=0,842) antara autorefraktor dan refraksi subjektif. Simpulan penelitian ini ialah autorefraktor NIDEK Tonoref III memiliki keterandalan yang baik dalam menilai koreksi kacamata dan jarak antar pupil untuk kasus miopia. Kata kunci: autorefraktor; miopia; NIDEK TONOREF III; refraksi objektif; refraksi subjektif
One of the complications of hypertension is hypertensive retinopathy with a prevalence of 2-17% in patients with hypertension without diabetes. Application of optical coherence tomography (OCT) tool enables the clinician to simplify the pathophysiological process of hypertensive retinopathy. This study was aimed to compare the central retina thickness of essential hypertensive patients without decreased vision to of normal people. This was a prospective comparative study using a quantitative method. There were 56 eyes in the hypertension group and 71 eyes in the normal group. The t test showed that central retina thickness in hypertension group was 201.66 μm (SD ±38,870) meanwhile in the normal group was 249.59 µm (SD±19,245) (p=0.004). In conclusion, there was a significant difference in central retinal thickness between essential hypertensive patients and normal people. It is suggested that ophthalmologic examination should be performed on patients with essential hypertension even without decreased vision.Abstrak: Salah satu komplikasi hipertensi yaitu retinopati hipertensi dengan prevalensi 2-17% pada penyandang hipertensi tanpa diabetes. Aplikasi alat optical coherence tomography (OCT) memungkinkan klinisi untuk meneliti lebih lanjut mengenai proses patofisiologi retinopati hipertensi. Penelitian ini bertujuan untuk membandingkan ketebalan retina sentral pasien hipertensi esensial tanpa penurunan visus dibanding orang normal. Jenis penelitian ialah prospektif komparatif menggunakan metode kuantitatif. Hasil penelitian mendapatkan 56 mata untuk kelompok hipertensi dan 71 mata untuk kelompok normal yang memenuhi kriteria penelitian. Uji t menunjukkan terdapat perbedaan ketebalan retina sentral pada kelompok hipertensi dibanding kelompok normal. Rerata ketebalan retina pada kelompok hipertensi ialah 201,66 µm (SD±38,870) dibanding pada kelompok normal ialah 249,59 µm (SD±19,245) (p=0,004). Simpulan penelitian ini ialah terdapat perbedaan bermakna antara ketebalan retina sentral pasien hipertensi esensial tanpa penurunan visus dibanding orang normal. Disarankan untuk melakukan pemeriksaan mata pada penyandang hipertensi esensial meskipun belum disertai keluhan penurunan tajam penglihatan. Kata kunci: hipertensi, penurunan visus, ketebalan retina
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