Purpose: We undertook this study with the aim to determine static ametropias of black Cameroonians as well as their clinical manifestations. It is a prospective study carried out in the Department of Ophthalmology of Douala General Hospital from January 1996 to December 1998. Patients and Method: During this period, all patients who fulfilled our criteria had a skiascopy done under cycloplegia. We thus examined 2,484 patients (4,968 eyes). 66.2% of them were female and 33.8% were male. Results: In our series, hyperopia was found in 51% of the cases, hyperopic astigmatism in 27.5% of the cases, myopic astigmatism in 9.3% of cases, mixed astigmatism in 7.7% of cases and myopia in 4.5% of cases. Distribution of ametropias is influenced by age, not by sex or laterality. Discussion and Conclusion: Functional signs just have an indicative value; only objective refraction under cycloplegia can determine exactly the ametropia.