Cataracts

A cataract is clouding or opacity of the lens inside the eye. It causes gradual blurring of vision and often glare.

​Cataract surgery at Moorfields Eye Hospital was recently profiled on the Health Show Live. You may find this video useful to learn about how a cataract develops and how it is treated.

  • Inside your eye, behind the iris and pupil is a lens. In a normal eye, this lens is clear. It helps focus light rays on to the back of the eye (the retina), which sends messages to the brain allowing us to see.

    When cataract develops, the lens becomes cloudy and prevents the light rays from passing on to the retina. The picture that the retina receives becomes dull and fuzzy.

    Cataract usually forms slowly and most people experience a gradual blurring of vision.

  • Most forms of cataract develop in adult life. The normal process of ageing causes the lens to harden and become cloudy. This is called age-related cataract and it is the most common type. It can occur at any time after the age of 40.

    Although most cataracts are age related, there are other types, including congenital (present at birth), drug induced (steroids), and traumatic (injury to the eye). Cataract is also more common in people who have certain diseases such as diabetes.

  • The most common treatment for cataracts is an operation to remove the cloudy lens and replace it with a clear artificial replacement. This treatment is quick, and can greatly improve vision.

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Cataracts consultants

A picture of Mr Nicholas Strouthidis

Mr Nicholas Strouthidis


Consultant Ophthalmic Surgeon

A picture of Mr Ian Murdoch

Mr Ian Murdoch


Consultant Ophthalmic Surgeon

A picture of Professor Paul Foster

Professor Paul Foster


Consultant Ophthalmic Surgeon

A picture of Mr Sajjad Ahmad

Mr Sajjad Ahmad


Consultant Ophthalmic Surgeon

A picture of Mr Himanshu Patel

Mr Himanshu Patel


Consultant Ophthalmic Surgeon

A picture of Mr Tom Flynn

Mr Tom Flynn


Consultant Ophthalmic Surgeon

A picture of Mr Stephen Tuft

Mr Stephen Tuft


Consultant Ophthalmic Surgeon

A picture of Professor David Gartry

Professor David Gartry


Consultant Ophthalmic Surgeon

A picture of Mr Saab Bhermi

Mr Saab Bhermi


Consultant Ophthalmic Surgeon

A picture of Mr Mark Wilkins

Mr Mark Wilkins


Consultant Ophthalmic Surgeon

A picture of Miss Gillian Adams

Miss Gillian Adams


Consultant Ophthalmic Surgeon

A picture of Miss Linda Ficker

Miss Linda Ficker


Consultant Ophthalmic Surgeon

A picture of Mr Aires Lobo

Mr Aires Lobo


Consultant Ophthalmic Surgeon

A picture of Mr Vincenzo Maurino

Mr Vincenzo Maurino


Consultant Ophthalmic Surgeon

A picture of Miss Dhanes Thomas

Miss Dhanes Thomas


Consultant Ophthalmic Surgeon

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Paying for treatment

Private Medical Insurance

If you are covered by private medical insurance, please verify the details with your insurer prior to arrival and if possible, obtain a pre-authorisation number.

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Self pay

You don’t have to be insured to come to Moorfields Private. Many of our patients pay for their own treatment.

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Third party sponsorship

​If a company, employer or other third party agrees to settle your account, they will be required to provide a letter of guarantee along with a deposit.

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