Dr. Kwadwo Owusu Akuffo, Senior Lecturer at the Department of Optometry and Visual Science, has raised concern over the rising cases of Computer Vision Syndrome (CVS) among young people and professionals, warning that prolonged screen use is quietly straining the eyes of many Ghanaians.

Speaking at the third edition of Science Friday, an academic engagement platform organised by KNUST Libraries to promote scientific discussion, research sharing, and interdisciplinary collaboration, he addressed the theme “Vision Revolution: The Science Behind Better Eye Care.”

“Computer Vision Syndrome is a group of eye and vision problems resulting from prolonged screen use. When we stare at screens for long periods, our blink rate reduces, leading to dry eyes. At the same time, continuous near focus causes fatigue, while glare and poor posture increase visual stress,” he explained.

He noted that common symptoms include eye strain, dryness, irritation, blurred vision, headaches, and even neck and shoulder pain, conditions many people often ignore until they worsen.

To curb the condition, Dr. Owusu Akuffo emphasized simple but effective preventive measures, particularly the 20-20-20 rule, which involves looking away from the screen every 20 minutes at something 20 feet away for at least 20 seconds.

“Keep your screen at a distance of about 50 to 70 centimetres and position it slightly below eye level. Blink more often, ensure proper lighting, and use the right prescription glasses where necessary,” he advised.

Beyond digital eye strain, he highlighted the broader challenge of preventable vision loss, revealing that nearly 90% of vision problems can be avoided with early detection and proper care.

Dr. Owusu Akuffo also spotlighted the role of the KNUST Low Vision Centre, which provides specialized assessments and assistive devices such as magnifiers and electronic aids for individuals with irreversible vision loss, while training eye care professionals across the country.

He urged the public to adopt healthy eye care habits, including regular eye examinations, wearing UV-protective sunglasses, and maintaining a balanced diet rich in vitamins A, C, and E.

He called on Ghanaians to prioritize routine eye checks and proactive care to prevent avoidable vision loss.

“If you close your eyes for a minute, you will begin to imagine the life many people live in darkness and blindness,’’ he said.