Colour vision deficiency among students in Lagos State, Nigeria.

Background: Congenital colour vision defects are x-linked inherited, non-progressive and untreatable disorders that describe poor colour discrimination.

Objective: To determine the prevalence of congenital colour vision deficiency among students in Lagos, Nigeria.

Methods: A school-based cross-sectional, cluster sample study was conducted to test the colour vision of 2326 primary and high school students.

Optometric education in Africa: historical perspectives and challenges.

The African continent, with a population of more than one billion and 55 recognized developing countries, is still grappling in some countries with socioeconomic and other challenges inherent in developing countries. The continent is working toward a single political entity known as the African Union, and development is taking place faster than ever in most countries. The continent is known to have high levels of health problems, including visual impairment and blindness.

Attitude and beliefs of Nigerian undergraduates to spectacle wear.

Background: Uncorrected refractive error is a common cause of preventable visual impairment. Glasses are the cheapest and commonest form of correction of refractive errors. To achieve this, patients must exhibit good compliance to spectacle wear.

Adhesive capabilities of Staphylococcus aureus and Pseudomonas aeruginosa isolated from tears of HIV/AIDS patients to soft contact lenses.

Fifty conjunctival swab samples collected from ELISA confirmed HIV/AIDS seropositive patients who were referred to the HIV/AIDS laboratories of the University of Benin Teaching Hospital and Central Hospital both based in Benin City, Nigeria were aseptically cultured on appropriate media by standard methods. The resulting isolates/strains, after identification by standard methods, were tested for their ability to adhere to two hydrophobic non-ionic daily wear silicone hydrogel soft contact lenses (i.e.

Investigation of amplitude of accommodation among Ghanaian school children.

Background: Deficient amplitude of accommodation is the most frequently used criteria in an optometric practice in diagnosing whether a patient has accommodative insufficiency. This deficiency is determined based on an age-related expected finding calculated using Hofstetter's equation derived from Donder's and Duane's data. The aim of the present study was to investigate the amplitude of accommodation among Ghanaian school children and to compare the findings with age-expected norms predicted by Hofstetter's equation.

Ocular leprosy in institutionalized Nigerian patients.

Objective: This study was aimed at presenting the profile of ocular lesions observed in the in-mates on multidrug treatment, of a leprosy rehabilitation centre in Nigeria.

Design: Cross-sectional.

Method: One hundred patients were selected by systematic random sampling.

The influence of socioeconomic and nutritional status on menarche in Nigerian school girls.

A study of 352 randomly selected secondary school girls in an urban population in Southern Western Nigeria revealed a mean menarcheal age of 13.94 +/- 1.31 years and that 76.