Psychometric Assessment of the Persian Version of the Revised Convergence Insufficiency Symptom Survey in Young Adults with Convergence Insufficiency.
Convergence Insufficiency Symptom Survey
Convergence insufficiency
Persian version
Reliability
Validity
Young adults
Journal
Journal of current ophthalmology
ISSN: 2452-2325
Titre abrégé: J Curr Ophthalmol
Pays: India
ID NLM: 101678509
Informations de publication
Date de publication:
Historique:
received:
23
04
2019
revised:
22
07
2019
accepted:
13
05
2020
entrez:
8
2
2021
pubmed:
9
2
2021
medline:
9
2
2021
Statut:
epublish
Résumé
To translate the Convergence Insufficiency Symptom Survey (CISS) to Persian and to assess its validity and reliability in a group of young adult Iranian patients with convergence insufficiency (CI). The questionnaire was translated in backward and forward phases. Face validity was measured using a 6-point scale (very weak, weak, moderate, good, very good, best), and a score of ≥4 for each item indicated an acceptable face validity. The content validity was assessed using three indices of relevancy, clarity, and comprehensiveness. Relevancy and clarity were checked for each item and for the whole scale using a 4-point scale (1-undesirable, 2-relatively desirable, 3-desirable, 4-completely desirable), and Item Content Validity Index (I-CVI) and Scale Content Validity Index (S-CVI) were calculated for the above indices. Comprehensiveness was measured at the scale level using a 4-point scale (1-incomprehensive, 2-relatively comprehensive, 3-comprehensive, 4-totally comprehensive), and S-CVI was calculated. The internal consistency and test-retest reliability were assessed using Cronbach's alpha coefficient and interclass correlation coefficient (ICC), respectively. To evaluate discriminant validity, CI was categorized into mild, moderate, and severe stages, and the mean overall CISS score was compared between these groups. Thirty CI patients aged 18-34 years participated in this study. On face validity assessment, all items finally had a score of ≥4. As for relevancy and clarity, I-CVI was above 80% for all items, and S-CVI was 98.8% and 96.6%, respectively. The S-CVI was 100% for comprehensiveness. The overall Cronbach's coefficient and ICC were 0.77 and 0.95, respectively. There was a significant difference in the overall score between the three severity groups. The Persian CISS is a valid and reliable tool for clinical and research applications.
Identifiants
pubmed: 33553843
doi: 10.4103/JOCO.JOCO_194_20
pii: JCO-32-395
pmc: PMC7861096
doi:
Types de publication
Journal Article
Langues
eng
Pagination
395-401Informations de copyright
Copyright: © 2020 Journal of Current Ophthalmology.
Déclaration de conflit d'intérêts
There are no conflicts of interest.
Références
Clin Exp Optom. 2017 Nov;100(6):704-709
pubmed: 28222490
Optom Vis Sci. 1999 Apr;76(4):221-8
pubmed: 10333184
Int J Med Educ. 2011 Jun 27;2:53-55
pubmed: 28029643
Optometry. 2003 Jan;74(1):25-34
pubmed: 12539890
Optom Vis Sci. 2012 Oct;89(10):1512-20
pubmed: 22922781
Malays J Med Sci. 2018 Nov;25(6):85-99
pubmed: 30914882
Qual Life Res. 1992 Oct;1(5):349-51
pubmed: 1299467
Optom Vis Sci. 2006 May;83(5):281-9
pubmed: 16699440
J Strength Cond Res. 2005 Feb;19(1):231-40
pubmed: 15705040
Optom Vis Sci. 2013 Sep;90(9):988-95
pubmed: 23958713
Optometry. 2012 Apr 30;83(4):137-58
pubmed: 23231437
Clin Exp Optom. 2018 Jan;101(1):123-128
pubmed: 28514829
Am Orthopt J. 2015;65:99-103
pubmed: 26564934
J Chiropr Med. 2016 Jun;15(2):155-63
pubmed: 27330520
Ophthalmic Physiol Opt. 2003 Sep;23(5):429-39
pubmed: 12950889
Optom Vis Sci. 2009 Apr;86(4):357-63
pubmed: 19289977
J Optom. 2014 Oct-Dec;7(4):178-92
pubmed: 25323640
Optom Vis Sci. 2003 Dec;80(12):832-8
pubmed: 14688547
Arq Bras Oftalmol. 2014 Jan-Feb;77(1):21-4
pubmed: 25076368
Res Nurs Health. 2006 Oct;29(5):489-97
pubmed: 16977646
Ophthalmic Physiol Opt. 2004 Sep;24(5):384-90
pubmed: 15315652
Arch Ophthalmol. 2005 Jan;123(1):14-24
pubmed: 15642806
Nurs Res. 1986 Nov-Dec;35(6):382-5
pubmed: 3640358