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Eye health centre

Eye health overview

Good eye health and eye care are crucial to protect your sight, prevent common eye disorders, and treat eye problems early. Learn more about eye diseases, contagious conditions such as conjunctivitis, and how to tell if you have good - or bad - vision.

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Latest headlines

Cataract patients in England 'facing long waits'

Some people in England with cataracts are facing waiting times of more than a year for treatment, according to a sight-loss charity.

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Medications

Visual acuity

Visual acuity describes how well you see detail with your central vision.

This is usually measured using a special chart with rows of letters that start with one big one at the top and get smaller row by row - called a Snellen scale.

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