Eye DiseasesEye Info
Conjunctivitis (Pink Eye)
Macular Degeneration (AMD)
A cataract is a clouding of the lens in the eye that affects vision. Most cataracts are related to ageing and are therefore very common in older people.
The most common symptoms of a cataract are:
- Cloudy or blurry vision,
- Colours seem faded,
- Glare. Headlights, lamps, or sunlight may appear too bright. A halo may appear around lights,
- Poor night vision,
- Double vision or multiple images in one eye,
- Frequent prescription changes in your spectacles or contact lenses
Flashes & Floaters
Floaters and flashes are sometimes associated with retinal tears. As the vitreous shrinks it can pull on the retina and cause a tear. This is a serious problem and can lead to a retinal detachment and blindness. If new floaters appear suddenly or you see sudden flashes of light, see an ophthalmologist immediately.
When the fluid reaches the angle, it flows through a spongy meshwork, like a drain, and leaves the eye. In open-angle glaucoma, even though the drainage angle is “open”, the fluid passes too slowly through the meshwork drain. Since the fluid builds up, the pressure inside the eye rises to a level that may damage the optic nerve. When the optic nerve is damaged from increased pressure, open-angle glaucoma and vision loss may result. Immediate treatment for early-stage, open-angle glaucoma can delay progression of the disease. That’s why early diagnosis is very important.
This disorder is a progressive thinning of the cornea. Keratoconus arises when the middle of the cornea thins and gradually bulges outward, forming a rounded cone shape. This abnormal curvature changes the cornea’s refractive power, producing moderate to severe distortion (astigmatism) and blurriness (nearsightedness) of vision. Keratoconus may also cause swelling and a sight-impairing scarring of the tissue. Keratoconus usually affects both eyes. At first, people can correct their vision with eyeglasses. But as the astigmatism worsens, they must rely on specially fitted contact lenses to reduce the distortion and provide better vision.
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