Causes of childhood blindness at ECWA Eye Hospital, Kano, Nigeria

Resumo

The study aimed at identifying the causes of childhood blindness at ECWA Eye Hospital, Kano. The causes of visual loss in 31consecutive patients aged <16 years who attended the ECWA eye Hospital
between 1993 and 1996, who had vision of <3/60 in the better eye were recorded. The eyes were examined with a slit lamp or flashlight a loupe, and an ophthalmoscope. The intraocular pressure was
taken with either a Schiotz or an applanation tonometer. There were 14 males (45.0%), the mean age was 6 years; range: 1 to 15 years. Corneal causes were responsible for blindness in 54.8%. Measles was responsible for 10 cases; neonatal infection was responsible in 2 cases. Four cases were due to lens lesions. By aetiologic category, childhood factors accounted for (32.3%). The causes in 51.7% were not known. Hereditary factors and perinatal factor accounted for 6.4% cases each. Intrauterine factors were responsible for 1 case. Eighteen (58.6%) of the cases were due to avoidable causes; 12 (38.4%) being preventable and 6 (19.2%) treatable. The causes of Childhood blindness in this study are consistent with those of low economic region with high prevalence of avoidable blindness.

Keywords: Childhood, blindness, causes, treatable, avoidable, preventable.

Résumé
Pour identifier la cause de la cécité enfantile á l’hopital ophthalmologique d’ECWA, Kano. Les causes de la perte visuelle chez 30 patients consécutive agés de <16 ans visitant l’hopital ophthalmologique d’ECWA entre 1993 et 1996, qui avaient une vision de <3/60 étaient enregistrés. Les yeux étaient examinés a l’aide de la loupe et d’un ophthalmoscope. La préssion intraoculaire était prise avec soit le Schiotz ou le tonométre d’applanation. Ils y avaient 14 males (45.0%),d’une moyenne d’age de 6 ans; variant entre 1 á 15 ans. Des causes cornéales étaient responsables de la cécité chez 54.8%. La rougeole étaitresponsable de 10 cas; infection néonatale chez 2 cas. Quatren cas étaient due aux lesions du cristallin. Par catégorie étiologique, les facteurs infantiles étaient estimés á 32.3%. Les causes chez 51.7% étaient non connues. Les facteurs héréditaires et périnatales étaient estimés á 6.4% cas chacun. Un seul cas était due aux facteurs intrautérines.Dix huit (58.6%) des cas étaient due a des causes évitables; 12 (38.4%) étant prévenable et 6 (19.2%) traitable. Les causes de la cécité infantile dans cette étude sont consistent chez ceux des régions économiques basses ayant un taux élevé de cécité évitable.

Correspondence: Dr. F.O. Olatunji, P.O. Box 1003, General Post Office, Ilorin. Email: drfolatunji@yahoo.co.uk.

pdf (inglês)

Referências

Benatar SR. The growth of bioethics and the need for teaching medical ethics in South Africa. SA J Contin Med Educ. 1987 Apr.; 5(4):17-19

London and, McCarthy G. Teaching medical students on the ethical dimensions of human rights: meeting the challenge in South Africa. J Med Ethics 1998 Aug; 24 (4): 257-262

Browne SG. Teaching medical ethics in Africa. Med J Aust. 1972 Jun 3;1 Suppl 7(0):63-65

Ogundiran TO. Enhancing the African bioethics initiative. BMC Medical Education 2004, 4:21

Pellegrino ED, Hart Jr RJ, Henderson SR,Loeb SE and Edwards G. Relevance and

utility of courses in medical ethics. A survey of physicians’ perceptions. JAMA. 1985; 253: 49-53

Pellegrino ED, Siegler M and Singer PA. Teaching clinical ethics. J Clin Ethics 1990;

(3):175-180

The ethics of research related to healthcare in developing countries. Nuffield Council on Bioethics report. http://www.nuffieldfoundation. org

Tangwa GB. Globalisation or westernisation? Ethical concerns in the whole bio-business Bioethics 1999; 13(3&4):218-226

Shah S. Globalizing Clinical Research: Big Pharma tries out first world drugs on unsuspecting third world patients. The Nation magazine, July 1, 2002

Pfizer sued for in proper consent in medical experiments in Nigeria - Abdullahi v. Pfizer.

Inc., No. 02-9223 (2d Cir. 10/08/2003). Available at http://biotech.law.Isu.edu/cases/rese-

arch/Abdullahi_v_Pfizer.htm#S*fn1

Sebunya C. Pregnant women in AZT testing in Uganda. AIDS Anal Afr. 1998; June 8(3): 10.

International Research Ethics Network for Southern Africa (IRENSA), Centre for Bioethics, University of Cape Town, South Africa. http://www.irensa.org/cgi/about.cgi

South African Research Ethics Training Initiative (SARETI) http://www.up.ac.za/sareti/ sareti.htm

West African Bioethics Training Programme, University of Ibadan, Nigeria http://www.west- african bioethics.net

Calman KC and Downie RS. Practical problems in the teaching of ethics to medical students. J Med Ethics 1987; 13:153-156