Myopia is the most common refractive error of the eye, and it has become more prevalent in recent years. It is a medically term which is a vision condition in which people can see close objects clearly, but objects farther away appear blurred. It occurs if the eyeball is too long or the cornea (the clear front cover of the eye) is too curved. As a result, the light entering the eye isn't focused correctly, and distant objects look blurred.
HOW IS MYOPIA DIAGNOSED?
An eyecare professional can diagnose myopia during an eye exam, which usually begins with a visual acuity test. If the vision test shows that the patient has nearsighted, the doctor will use a retinoscope to shine light into the eyes and observe the reflection off the retina to determine the amount of refractive error.
HOW IS MYOPIA TREATED?
Glasses, contact lenses, or refractive surgery can correct myopia. The most common procedures for myopia are performed with a laser, including:
• Photorefractive keratectomy. Also called PRK , a laser is used to remove a layer of corneal tissue, which flattens the cornea and allows light rays to focus closer to or even on the retina.
• Laser-assisted in situ keratomileusis. Commonly called LASIK , a laser is used to cut a flap through the top of the cornea, a laser removes some corneal tissue, then the flap is dropped back into place.
• Corneal rings. Plastic corneal rings, called Intacs, are implanted into the eye to alter the shape of the cornea.
DID YOU KNOW?
A number of alternative therapies exist including eye exercises and relaxation techniques, such as the Bates method of eye exercises are believed to aid with the condition.