KEEP YOUR EYES HEALTHY
At Clear Vision, we are passionate about the importance of maintaining healthy eyes. We are here to provide your eye health consultations and professional advice.
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Glaucoma Test
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Cataract Test
What is Glaucoma?
Glaucoma is the name given to a group of eye conditions. Essentially, glaucoma is where the optic nerve is damaged at the point where it leaves the eye. The optic nerve is the nerve which carries images from the retina to the brain.
There are four types:
- Chronic
- Acute
- Secondary
- Congenital or developmental
Regular eye tests are important. The risk of glaucoma increases with age and if left untreated it can cause blindness.
What are the symptoms of Glaucoma?
The chronic type of this condtion usually has no symptoms and the eye may seem normal. This isn’t painful and at first your vision may be unaffected. This is why regular tests are so important to have a look in more detail at the health of your eye.
What can I expect to happen?
Any damage already caused by glaucoma cannot be repaired. however, with early diagnosis coupled with regular observation, and treatment, the damage can usually be kept to a minimum.
Persons over 40 with a family history of glaucoma should have a test every 12 months.
Eye tests
Book every 2 years
To ensure you are wearing the correct prescription and as a preventative measure from any genetic or spontaneous ailments.
What are cataracts?
Cataracts are cloudy areas in the lens of the eyes that, whilst painless, blocks passage of light into the retina making it more difficult to see.
Cataracts are often caused by ageing and exposure to sunlight. However, other known causes are also:
- Injuries
- Disease
- Medication
- Health problems such as diabetes
Personal habits like smoking and drinking can also cause cataracts.
How can Cataracts be identified.
Cataracts can be identified with symptoms that include:
- cloudy or blurry vision
- colours seemingly faded
- too much sensitivity to sources of light and the appearance of halos around lights
- poor night vision
- multiple images in one eye
- frequent prescription changes on modals (glasses and contact lenses).
These symptoms are also associated with other eye diseases so it is important to see an eye doctor to check if it is a cataract or not. Which is why it is important to get a physical exam to diagnose cataracts, how bad they are, and what needs to be done to correct your vision.
Getting an eye examination
Your optician wil ask questions and may perform a few tests to see the extent of damage as well as the treatments you need to get to clear up your vision.
Visual Acuity Test
This is the eye chart exam where you are asked to cover one eye and then identify letters on a chart to determine how far and how big or small you can read.
Slit-lamp examination
This exam uses a special type of microscope that uses an intense line of light or slit that illuminates your cornea, iris, lens, and the space between your iris and cornea to detect tiny abnormalities within them which may be causing irregularities in your vision.
Retinal exam
A type of eye drops are applied to your eyes to dilate them which makes it easier to look at the back of your eyes where the retina lies. Your ophthalmologist then uses a slit eye lamp or an ophthalmoscope to check for signs of cataracts.
Checks must be made before diagnosis
Cataracts may have physical symptoms that make it easy to assume that they are the problem. However, the eye is a complex sense made up of nerves which need to be checked before the appropriate treatment is diagnosed.
In most cases, cataracts do not have major effects but when left untreated, they may escalate to loss of ability to perform daily activities even with the aid of spectacles and surgery is then needed to remove them.
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