EN 
PT Colour vision - Ishihara test
Learn how colour vision anomalies work, as well as the basics and history of the Ishihara test
Hybrid contact lenses, a new visual hope for you!
These lenses provide comfort and good vision for people with irregular corneas.
Dry Eye Syndrome: what it is, symptoms and care
Dry eye syndrome is a condition that results in discomfort and visual disturbance due to tear instability.
Understand and identify vision problems
Learn about the most common vision problems, their causes and effects.
What do you need to know about sun protection?
People with intense unprotected sun exposure are 60% more likely to get cataracts, find out why
