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What is Keratoconus?

If the cornea becomes thin, it may bulge like a cone or become very irregular, resulting in an inability to focus an image clearly. This is known as keratoconus. It does not trigger blindness but can lead to incapacitating vision loss.

Causes of Keratoconus

The cause of keratoconus continues to be undetermined, though latest research appears to suggest that it may stem from a mixture of genetic and environmental influences.

Several cases of keratoconus have a genetic factor and research suggests that around 20% of keratoconus patients have affected relatives. Other genetic diseases are linked to keratoconus, such as, Ehlers-Danlos Syndrome, Trisomy 21 (Down’s Syndrome) and Marfan’s Syndrome.

Symptoms of Keratoconus

Keratoconus may cause vision to become blurry and distorted, making all sorts of daily tasks like seeing, reading, and driving quite difficult. It does not cause complete blindness, but if left untreated, keratoconus can lead to so much restricted, distorted vision that it can meet the definition of legal blindness.

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Vision therapy is a vision training program designed by your optometrist to correct visual-motor or perceptual cognitive deficiencies through eye exercises. It’s used to prevent eye problems from developing, as well as treating existing conditions.

Vison therapy is essentially a fitness regime which aims to help your child by improving:

Focus flexibility and maintenance

Eye movement efficiency, both for reading and sports

Visual skills necessary for the development of reading

Spatial skills that underpin many math tasks

Eye-hand reaction time

Sequencing skills

Integration of vision with auditory and motor systems

Sport-specific visual skills

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What is Long sightedness (hyperopia)?

So, the naming system in eyesight conditions for long sightedness and short sightedness is quite interesting! The easiest way to understand it is, that eyesight conditions are named after what type of vision your eyes are still good at. If someone is long sighted, otherwise known as hyperopic, they can see better in the long distance, and often find it difficult to see things up close. Looking at things up close can cause them more eye strain and blur. People with hyperopia often find themselves squinting or straining to see objects that are close up.

Causes of Long sightedness (hyperopia)

Long sightedness (hyperopia) arises when the eye is shorter than usual or has a cornea (the clear outer layer at the front of the eye) that is too flat. Consequently, light rays concentrate beyond the retina instead of on it. Usually, this permits you to see faraway objects to some extent clearly except nearby objects will be seen more blurred.

Want to know more? Visit our website.

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George & Matilda Eyecare are partnered with ZEISS to provide only the very best quality lenses in our glasses. German engineered, each ZEISS lens is the result of over 170 years of experience, research and innovation in optics.

At George & Matilda our lens offerings can be suited to a variety of lifestyle and vision needs, as well as, providing the following benefits: Full UV Protection

Full protection from UV rays up to 400nm in all clear lenses.

Anti-Reflective Coating

See and be seen more clearly with ZEISS anti-reflective coatings.

Durability

With superior hardness and scratch resistance, your glasses will last a whole lot longer.

Easier to Clean

High-performance lens coatings mean your glasses are dirt-free for longer.

Lighter and Thinner

You'll barely notice wearing ZEISS incredibly thin, light lenses.

Your Lens Choices

George & Matilda will help you find the type of lens your vision requires.

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Want Freedom from Glasses? Consider Orthokeratology (Ortho-K)! No glasses. No daytime contact lenses. Protection from your eyesight and prescription worsening. No surgery. Read on!

What is Orthokeratology (OrthoK)?

Orthokeratology, also known as OrthoK, is where you wear a contact lens at night-time to correct your vision. As you sleep, the contact lens reshapes your cornea safely to correct your vision problems so that when you wake up, your vision is perfect during the day. OrthoK is a safe, non-invasive vision correction method that gives clear vision without the need for you to wear glasses, contact lenses during the day, or refractive eye surgery. According to some of the best research in the eyecare field, it is also one of the most effective ways to protect eyes with short-sightedness (myopia) and astigmatism (myopia) from worsening. It gives you the freedom to be able to swim and surf, work in dusty or air-conditioned environments, and be glasses-free without worrying about dry or irritated eyes that some can experience with daytime contact lenses. It also can be used whether your vision is stable or still changing. OrthoK is completely reversible, unlike laser surgery.

How does OrthoK work?

OrthoK uses small contact lenses that are customised to fix your eyesight prescription which gently reshape your cornea (the clear, front surface of your eye) as you sleep (ideally, for 6 to 8 hours) to correct your vision problems. This gives you a clear vision during the whole day. The contact lens works as a retainer to fix eyesight problems in a similar way to an orthodontic retainer or dental plate for your teeth.

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Although we don’t know everything about what causes glaucoma, we do know that if the eye pressure in the eyes is too high it can cause the optic nerve on the back of the eye to slowly stop working, eventually leading to vision loss and blindness.

A common misconception is that people think they would be able to tell if they have glaucoma, but in fact, someone with glaucoma usually does not know it until there is severe sight loss.

What is Glaucoma?

Glaucoma is the name given to a group of eye diseases where vision is lost due to damage to the optic nerve. The damage to the optic nerve causes a gradual loss of sight, especially in the loss of peripheral vision. Generally, as there are no symptoms or warning signs in the early stages of glaucoma, there can be significant loss of vision before there is an awareness of any problem, so the best way to ensure someone does not have glaucoma is from a comprehensive eye test that checks for glaucoma.

What happens to cause glaucoma?

The main problem in glaucoma is damage to the optic nerve. Intraocular pressure (IOP) is the fluid pressure inside the eye. The level of eye pressure at which there is damage to an optic nerve varies between people: some individuals with high eye pressures do not develop nerve damage, while others with normal eye pressure develop progressive nerve damage.

Glaucoma cannot be self-detected, and many people affected by glaucoma may not be aware of any vision loss. It is important to remember that while it is more common as we get older, glaucoma can occur at any age. As vision cannot be regained, treatment around glaucoma is aimed at lowering the pressure inside the eyes so early detection is critically important. Early detection through regular eye testing and adhering to treatment has a huge impact on preventing or slowing down the loss of vision caused by glaucoma.

We know a lot about what increases the risk for someone to develop glaucoma, including having a history of family members with glaucoma. There are also many health conditions that glaucoma can be associated with that are easily overlooked.