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International Glaucoma Association

The IGA is the charity for people with glaucoma

About glaucoma

The only way to know if you have glaucoma is to have your eyes checked at your local optometrist (optician).

What is glaucoma?
Sponsor a Sightline Call

Sponsor a Sightline call and give someone with glaucoma the gift of peace of mind.

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Become a member

Find out more about the benefits of becoming a member of the IGA.

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Glaucoma Support Groups

Find your local support group.

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IGA Glaucoma Helpline

Our helpline advisors will listen to your concerns, answer your questions and provide advice on protecting your sight.

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IGA Support Forum

Join In The Discussion

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What is glaucoma?

Glaucoma is a term that describes a group of eye conditions that affect vision. The main nerve in the eye (the optic nerve) becomes damaged usually as a result of increased pressure in the eye. This can lead to misty and patchy vision which worsens if left untreated. 

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 How to apply eye drops video
 IGA short film to demonstrate how to instill eye drops

 Eye health checks

Glaucoma is usually painless and does not have symptoms until it is quite advanced. There are three quick and painless tests that are used to check for glaucoma.

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 Eye drops and aids

Most people with glaucoma are treated with eye drops which help to lower the pressure in your eye, and reduce loss of vision. There are a number of eye drops and various aids that help people to take eye drops correctly.

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  Laser and surgery

Lasers have been used in the treatment of glaucoma for many years. If eye drops or laser therapy has not succeeded in lowering the eye pressure, the doctor may recommend a surgical operation to control the pressure.  

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Most people with glaucoma will be able to drive safely for many years. But, if you have visual field loss from glaucoma in both eyes, you will need to report your condition to the DVLA who may require you to have further tests.

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