Colour Vision Defects: Awareness, Prevalence And Effects Among Secondary School Students In Imo State, Nigeria.

Background: Colour vision defect (CVD) is a public health issue with approximately one in ten males exhibiting some form of colour deficiency. Colour is used extensively in education so CVD has a dramatic impact on the learning, educational and social potentials of children. Racial differences have been reported with higher values noted amongst people of European ancestry.

The Impact of Glaucoma on the Mental Health of Primary Open-Angle Glaucoma Patients Attending a Teaching Hospital in South East Nigeria.

Objective: To evaluate the effect of glaucoma on the mental health of primary open-angle glaucoma patients using Hospital Anxiety and Depression Scale (HADS).

Materials And Methods: This was a hospital-based comparative study in which 180 glaucoma patients and controls 18 years and above who met the inclusion criteria were selected consecutively in the Eye Clinic of Federal Medical Centre, Owerri, Imo State, in 2017. Data were collected using a questionnaire and the HADS protocol.