Visual Status of Patients with Retinitis Pigmentosa: A Multicenter Study.

Aim: To determine the degree of visual loss associated with retinitis pigmentosa (RP) in Nigerians at first ophthalmic clinic presentation

Methodology: Multicenter, prospective, cross-sectional study in four collaborating retina clinics within Nigeria between January and December 2018. The primary outcome measure was the World Health Organization’s visual status classification at presentation. Clinical examination, including a Snellen’s visual acuity, refraction, anterior segment examination using a slit lamp biomicroscope, and dilated fundus examination using a +90D or +78D, was done in all consecutive RP patients.

Burden and Presentation of Age-Related Macular Degeneration among Nigerians.

Purpose: Age-related macular degeneration (AMD) is a leading cause of visual impairment worldwide, and its prevalence may also be on the increase in Nigeria. The purpose of this study is to ascertain the burden and pattern of presentation of AMD in a developing country.

Methods: We conducted a multicenter, prospective study from January to December 2018.

Polypoidal Choroidal Vasculopathy Amongst Nigerians; A Multicenter Study.

Objective: To investigate the prevalence and presentation of polypoidal choroidal vasculopathy (PCV) in Nigerians.

Methods: A cross-sectional, multicenter, hospital-based, descriptive study. Data were collected prospectively between January and December 2018, from consecutive patients diagnosed to have a retina disease at the general outpatient and retinal clinics of four eye departments in Nigeria.