Ask the Optician – Cataracts

Cataracts are the most common cause of blindness in the world today but there’s no need to remain in the dark. Leighton Griffiths, Store Director of Specsavers Marbella, sheds light on spotting the signs and seeking treatment

LAST UPDATED: 28 May, 2015 @ 13:18
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Q: What are cataracts?
A: There are three main types:
• Nuclear cataract – this causes gradual reduction in vision
• Cortical cataract – this may give rise to poor vision associated with seeing halos around lights, or seeing double with one eye.
• Posterior subcapsular lens opacities – these tend to cause reduction in vision (especially for reading), susceptibility to bright lights and glare.

Q: Am I at risk of developing them?
A: As we grow older, the lens of the eye becomes less clear until, ultimately, a cataract that causes reduction in vision is present. Those with a family history of cataracts are at higher risk and should have regular checkups.

Q: What can I do to avoid cataracts?
A: Unfortunately, not much. They are generally part of the ageing process. But too much sunlight can make people more susceptible to cataracts, so it’s important to wear good-quality sunglasses.

Q: How are cataracts treated?
A: They are treated very effectively by a common surgical procedure.

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