Eyes and screen use

Protect vision through both eye and vascular health.

Sunglasses, avoiding smoking, varied nutrition, and management of chronic conditions all contribute to long-term vision care.

A line illustration of protecting vision through eye and vascular health.

Health glossary

20-20-20 rule: Every 20 minutes, look about 20 feet (6 metres) away for 20 seconds to give your eyes a break from close screen work.
retina: The light-sensitive layer at the back of the eye converts light into signals for the brain. Diabetes can damage its vessels.
HbA1c: HbA1c reflects average blood glucose over approximately two to three months and is interpreted with other information.
Dilated eye examination.: The drops dilate the pupil so the examiner can see the retina and the back of the eye more clearly.
UVA and UVB: Two types of ultraviolet radiation in sunlight that affect the eyes and skin. Choose sunglasses labelled as blocking 99–100% of UVA and UVB.

Cataracts, retinal disease, and glaucoma have different risk factors. A comprehensive eye examination is more useful than guessing from symptoms, especially with increasing age, family history, diabetes, high blood pressure, or long-term use of certain medicines.

Choose sunglasses that block 99 to 100% of UVA and UVB radiation. Wear protective eyewear when cutting, drilling, or working with flying debris. These small precautions support reading, driving, work, and independence.

Things you can start doing

Start with practical steps.

Carry sunglasses that clearly indicate protection against UVA and UVB rays.
Tell your eye doctor about your family history of eye disease.
Arrange eye examinations according to age, existing conditions, and your ophthalmologist's advice.

Related topics in the health atlas.View overview Eyes and screen use

References

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When considering supplements, start with ingredients, amounts per serving, format, warnings, and the complete label.

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