Archive for the 'Eye Conditions' Category

Jan 15 2008

Dry Eye

Dry Eye Syndrome (Keratoconjunctivitis Sicca).

Dry eye” is when your eyes don’t make enough tears to keep them moist. The result is that your eyes get dry and feel uncomfortable.

Common Symptoms of Dry Eye:

Irritation, Spells of blurred vision, Sensativity to bright light and Itching or burning.

Treatment for dry eye syndrome includes the use of eye drops and eye ointments that help the eye keep moist. In some rarer cases surgery is required.With dry eye both eyes are usually affected and they generally will not actually feel dry. When wearing contact lenses you may feel them getting more and more uncomfortable to wear.

There is a gland above each of your eyes called the “Lacrimal Gland”. This regularly produces a small amount of liquid “tears”. There are also tiny glands in the eyelids which produce the liquid that makes up the other part of your tears. Your eyes make these tears so they don’t dry out. Tears help to protect the eyes from infection.

When you blink eyelids spread tears over the eye. Your tears then drain away through the “Puncta” into small channels called “Canaliculi” then they drain away into the nose.

When the amount of tears you produce is reduced or the tears evaporate or drain away, you may get dry eye syndrome.

Dry eye syndrome can also happen if you have difficulty closing your eye lids. People who have had a stroke, or have damage to the nerves around the eyes may find it difficult to close their eyes.

A diagnosis of dry eye syndrome can usually be made based on your symptoms. Sometimes your GP or Optometrist (eye specialist) may also carry out some simple tests.

Dry eye syndrome is usually treated using artificial tears. These come as eye drops, which are available from pharmacies, and on prescription from your GP. Artificial tears work by making your eyes more lubricated.

At first you may need to use eye drops every hour, but less often as your symptoms improve. You will have to continue to use eye drops for as long as you have dry eye syndrome.

There are several different kinds of eye drops available, and some may contain ingredients that may irritate your eyes. If this happens, try another kind until you find one that suits you best.

An eye ointment can be used at night time to soothe and lubricate your eyes. Eye ointments are available at pharmacies and on prescription. You shouldn’t use eye ointment during the day as it can cause blurred vision and can stop eye-drops from working.




Some severe cases of dry eye syndrome may require a procedure called punctual occlusion and most people with dry eye syndrome will have no further complications after having treatment.

However, those with more severe dry eye syndrome may find that they get more eye infections, such as conjunctivitis, as there are less tears to protect the eye from infections.

If you feel you are suffering from Dry Eye you must consult your GP or Optometrist.

As always I cannot diagnose over the Internet and this article is for your information only. However, please feel free to leave any comments.

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Aug 10 2007

Floaters

Floaters

Before going in to the details here it must be said that if you notice Floaters or Flashers you must consult your optician immediately.

Eye

Floaters are deposits of various sizes which reside in the Vitreous Humour pictured above. The Vitreous Humour is the fluid like gel that fills the eye. Floaters are not uncommon and for most people they do not cause too much trouble. However, at first they can be quite a distraction if they constantly drift across our vision.

Usually floaters are caused when the Vitreous Humour shrinks. This causes the Collagen in the Vitreous Humour to breakdown in to what we call Fibrils (Floaters) they tend to be few and linear in form.

However, floaters can be caused in many other ways such as Retinal Detachments, Posterior Vitreous Detachments, Retinal Tears, Cataract Operations or Trauma to the eye to name a few.

They can appear in various shapes and sizes. However, if you notice a sudden appearance of floaters you MUST consult your optician immediately as this could be the signs of a retinal detachment and could easily lead to blindness.

Normally there is no treatment for floaters. Procedures such as a Vitrectomy (a procedure to remove some or all of the Vitreous Humour from the eye) are not normally justified due to the complications and potential for causing blindness, bearing in mind most people live and get used to floaters as time goes by, In fact some have become so used to them that they just don’t notice them anymore.

To summarise floaters come in many different shapes, sizes and causes so needless to say the only person who can inform you of your particular condition is your optician. If for some reason you feel that your optician has not explained your situation clearly enough simply ask them to go over it again I am sure they will be happy to help.

Please feel free to leave comments. However, any concerns you have regarding floaters really must be directed to your optician. Obviously I cannot diagnose or offer advice on floaters over the internet apart from the fact that if you notice floaters contact your optician immediately.

Many Thanks
Mark Bowden

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