Yıl: 2019 Cilt: 28 Sayı: 3 Sayfa Aralığı: 251 - 258 Metin Dili: İngilizce İndeks Tarihi: 06-10-2020

How Reliable is the Ishihara Test?

Öz:
Purpose: Ishihara Pseudoisochromatic-plates first published in 1917 is the most preferred test to diagnose colour-blindness although the test has many drawbacks which may affect test results. The aims are to examine drawbacks of the Ishihara test, to investigate the ophthalmologists’ colour vision test usage habits and views, to analyse the result parameters such as individuals’ response time for per plate and total test duration.Methods: To investigate the ophthalmologists’ views, a 12-item questionnaire was applied to 140 ophthalmologists who have professional experiences in colour-vision tests in daily practice. To measure response time duration of per plate and total test duration, a brand-new Ishihara 38-plate version has been scanned and applied on 250 individuals through a PC.Results: Almost all the participants (98.57%) were using Ishihara pseudoisochromatic-plates in their daily routine clinical practice even though 85% of them believe that the Ishihara test does not meet their needs at least partially. They also believe that the plates deform in time and lose their accuracy. The standard deviations of the total test duration of per plate are quite high which means the total test duration for the Ishihara test cannot be standardized.Conclusions: It is a matter of debate to use the Ishihara test with so many drawbacks which some of them may affect test results directly. Ishihara instruction about time is one of the contentious issues to decide if it should be followed during the test. For more defi nite results, the study should be applied on more individuals and the results should be compared with Anomaloscope.
Anahtar Kelime:

Ishihara Testleri Ne Kadar Güvenilir?

Öz:
Amaç: İlk çalışmaları 1917 yılında yapılmış olan ve test sonucunu değiştirebilecek birçok zayıf yönlere sahip Ishihara psödoizokromatik paletleri renk körlüğünün tanısında en çok tercih edilen testtir. Bu çalışmanın amaçları, Ishihara testinin zayıflıklarını analiz etmek, göz hekimlerinin renkli görme testleri hakkında alışkanlıklarını ve görüşlerini incelemek, test uygulamasında her bir test paletinde harcanan süre, toplam test süresi gibi parametreleri analiz etmektir.Metot: Göz hekimleri görüşlerinin incelenmesi için, 12 soruluk bir anket hazırlanmış ve renkli görme testleri konusunda alanında uzman 140 göz hekimine uygulanmıştır. Deneklerin her bir test paletinde harcadıkları süre ve toplam test süresini ölçmek için, yeni 38-paletlik bir Ishihara testi taranarak bir bilgisayar üzerinden 250 deneğe uygulanmıştır. Sonuç: Neredeyse ankete katılan tüm göz hekimleri (%98.57) günlük uygulamalarında Ishihara psödoizokromatik paletlerini kullanıyorlar ancak buna rağmen %85’i Ishihara testinin ihtiyaçlarını en azından kısmen karşılamadığına inanmaktadır. Ayrıca bu test paletlerinin zamanla deforme olduğunu ve doğruluklarının azaldığına inanmaktadırlar. Toplam test süreleri standart sapmasının oldukça yüksek olması Ishihara testleri için toplam test süresinin standartlaştırılamayacağını göstermektedir. Tartışma: Sonuçları doğrudan etkileyebilecek birçok zayıf yöne sahip Ishihara testlerini kullanmak bir tartışma konusudur. Ishihara testinin zaman ile ilgili yönergesine uyup/uymamak ise ayrı bir tartışma konusudur. Daha kesin sonuçlar için çalışma daha fazla denek üzerinde uygulanmalı ve sonuçlar Anamaloskop ile karşılaştırılmalıdır.
Anahtar Kelime:

Belge Türü: Makale Makale Türü: Araştırma Makalesi Erişim Türü: Bibliyografik
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APA IŞIK M (2019). How Reliable is the Ishihara Test?. , 251 - 258.
Chicago IŞIK Murat How Reliable is the Ishihara Test?. (2019): 251 - 258.
MLA IŞIK Murat How Reliable is the Ishihara Test?. , 2019, ss.251 - 258.
AMA IŞIK M How Reliable is the Ishihara Test?. . 2019; 251 - 258.
Vancouver IŞIK M How Reliable is the Ishihara Test?. . 2019; 251 - 258.
IEEE IŞIK M "How Reliable is the Ishihara Test?." , ss.251 - 258, 2019.
ISNAD IŞIK, Murat. "How Reliable is the Ishihara Test?". (2019), 251-258.
APA IŞIK M (2019). How Reliable is the Ishihara Test?. Retina-Vitreus, 28(3), 251 - 258.
Chicago IŞIK Murat How Reliable is the Ishihara Test?. Retina-Vitreus 28, no.3 (2019): 251 - 258.
MLA IŞIK Murat How Reliable is the Ishihara Test?. Retina-Vitreus, vol.28, no.3, 2019, ss.251 - 258.
AMA IŞIK M How Reliable is the Ishihara Test?. Retina-Vitreus. 2019; 28(3): 251 - 258.
Vancouver IŞIK M How Reliable is the Ishihara Test?. Retina-Vitreus. 2019; 28(3): 251 - 258.
IEEE IŞIK M "How Reliable is the Ishihara Test?." Retina-Vitreus, 28, ss.251 - 258, 2019.
ISNAD IŞIK, Murat. "How Reliable is the Ishihara Test?". Retina-Vitreus 28/3 (2019), 251-258.