Back to Journals » Clinical Ophthalmology » Volume 4

Blindness and visual impairment in retinitis pigmentosa: a Cameroonian hospital-based study

Authors Omgbwa Eballe A, Koki G, Emche C, Bella L, Kouam J, Melong J

Published 24 June 2010 Volume 2010:4 Pages 661—665


Review by Single-blind

Peer reviewer comments 4

André Omgbwa Eballe1, Godefroy Koki2, Claude Bernard Emche2, Lucienne Assumpta Bella2, Jeanne Mayouego Kouam2, Justin Melong3

1Faculty of Medicine and Pharmaceutical Sciences, University of Douala; 2Faculty of Medicine and Biomedical Sciences, University of Yaoundé; 3Translation Unit, Ministry of Public Health, Yaoundé, Cameroon

Aim: We performed a retrospective, analytical study in February 2010 on all retinitis pigmentosa cases seen during ophthalmologic consultation at the Gyneco-Obstetrics and Pediatric Hospital of Yaounde between March 2002 and December 2009 (82 months). The aim of this research was to determine the significance of blindness and visual impairment associated with retinitis pigmentosa in Cameroon.

Results: Forty cases were reported, corresponding to a hospital prevalence of 1.6/1000 (21 men and 19 women). The average age of the patients was 43.3 ± 18 years, ranging between 6 and 74 years. Bilateral blindness and low vision was noted in 30% and 27.5% of patients, respectively. The average age of patients with low vision was 40.38 ± 16.27 years and the average age of those with bilateral blindness was 51.08 ± 15.79 years. Retinitis pigmentosa was bilateral in all cases and isolated (without any eye or general additional disease) in 67.5% of cases.

Conclusion: Visual impairment is common and becomes even more severe with aging. Patients should be screened to enable them to benefit from management focusing on both appropriate treatment and genetic counseling.
Keywords: retinitis pigmentosa, Cameroon, blindness, Yaoundé

Creative Commons License This work is published and licensed by Dove Medical Press Limited. The full terms of this license are available at and incorporate the Creative Commons Attribution - Non Commercial (unported, v3.0) License. By accessing the work you hereby accept the Terms. Non-commercial uses of the work are permitted without any further permission from Dove Medical Press Limited, provided the work is properly attributed. For permission for commercial use of this work, please see paragraphs 4.2 and 5 of our Terms.

Download Article [PDF] 


Other articles by this author:

Refractive errors in Cameroonians diagnosed with complete oculocutaneous albinism

Eballé AO, Mvogo CE, Noche C, Zoua ME, Dohvoma AV

Clinical Ophthalmology 2013, 7:1491-1495

Published Date: 22 July 2013

Eye malformations in Cameroonian children: a clinical survey

Eballé AO, Ellong A, Koki G, Nanfack NC, Dohvoma VA, Mvogo CE

Clinical Ophthalmology 2012, 6:1607-1611

Published Date: 4 October 2012

Prevalence and causes of blindness at a tertiary hospital in Douala, Cameroon

Eballé AO, Mvogo CM, Koki G, Nyouma Moune E, Teutu C, Ellong A, Bella AL

Clinical Ophthalmology 2011, 5:1325-1331

Published Date: 19 September 2011

Secondary cataract: an epidemiologic and clinical survey at the Yaounde Gynaeco-obstetric and Paediatric Hospital

Eballé AO, Ellong A, Ella GP, Dohvoma VA, Bella AL, Mvogo CE

Clinical Ophthalmology 2011, 5:847-851

Published Date: 22 June 2011

Indications for destructive eye surgeries at the Yaounde Gynaeco-Obstetric and Paediatric Hospital

Eballé A, Dohvoma VA, Koki G, Oumarou A, Bella A, Ebana CM

Clinical Ophthalmology 2011, 5:561-565

Published Date: 5 May 2011

Analysis of central corneal thickness in black Cameroonian children

André Omgbwa Eballe, Emilienne Epée, Godefroy Koki, et al

Clinical Optometry 2010, 2:113-117

Published Date: 26 November 2010

Cerebral and ocular congenital toxoplasmosis complicated by West syndrome

André Omgbwa Eballe, Augustin Ellong, Marie Evodie Akono Zoua, et al

Clinical Ophthalmology 2010, 4:861-864

Published Date: 28 July 2010

Central corneal thickness and intraocular pressure in the Cameroonian nonglaucomatous population

André Omgbwa Eballe, Godefroy Koki, Augustin Ellong, et al

Clinical Ophthalmology 2010, 4:717-724

Published Date: 5 July 2010

Isolated bilateral ectopic microspherophakia

André Omgbwa Eballe, Godefroy Koki, Emilienne Epée, et al

Clinical Optometry 2010, 2:17-19

Published Date: 3 February 2010

Unilateral childhood blindness: a hospital-based study in Yaoundé, Cameroon

André; Omgbwa Eballe, Emilienne Epée, Godefroy Koki, et al

Clinical Ophthalmology 2009, 3:461-464

Published Date: 5 August 2009

Prevalence and etiologies of visual handicaps in leprosy patients in the south of Cameroon

André Omgbwa Eballé, Didier Owono, Alphonse Um Book, Assumpta Lucienne Bella, Come Ebana Mvogo, Nsom Mba

Clinical Ophthalmology 2009, 3:195-198

Published Date: 27 January 2009

Intraocular live male filarial Loa loa worm

André Omgbwa Eballe, Emillienne Epée, Godefroy Koki, Didier Owono, Côme Ebana Mvogo, Assumpta Lucienne Bella

Clinical Ophthalmology 2008, 2:965-967

Published Date: 5 December 2008

Readers of this article also read:

Green synthesis of water-soluble nontoxic polymeric nanocomposites containing silver nanoparticles

Prozorova GF, Pozdnyakov AS, Kuznetsova NP, Korzhova SA, Emel’yanov AI, Ermakova TG, Fadeeva TV, Sosedova LM

International Journal of Nanomedicine 2014, 9:1883-1889

Published Date: 16 April 2014

Methacrylic-based nanogels for the pH-sensitive delivery of 5-Fluorouracil in the colon

Ashwanikumar N, Kumar NA, Nair SA, Kumar GS

International Journal of Nanomedicine 2012, 7:5769-5779

Published Date: 15 November 2012

A novel preparation method for silicone oil nanoemulsions and its application for coating hair with silicone

Hu Z, Liao M, Chen Y, Cai Y, Meng L, Liu Y, Lv N, Liu Z, Yuan W

International Journal of Nanomedicine 2012, 7:5719-5724

Published Date: 12 November 2012

Cross-linked acrylic hydrogel for the controlled delivery of hydrophobic drugs in cancer therapy

Deepa G, Thulasidasan AK, Anto RJ, Pillai JJ, Kumar GS

International Journal of Nanomedicine 2012, 7:4077-4088

Published Date: 27 July 2012

Crystallization after intravitreal ganciclovir injection

Pitipol Choopong, Nattaporn Tesavibul, Nattawut Rodanant

Clinical Ophthalmology 2010, 4:709-711

Published Date: 14 July 2010