Health

Can Contacts Correct Vision Problems?

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How and why do people have problems with their eyes? A refraction inaccuracy in a person’s eyes is one of the reasons for it. It means that the shape of the eye does not curve the light properly as it enters the eye, which means the image you’re looking at will be blurred. Here are some common eye disorders that result from it. 

Myopia:

It is the technical term for “nearsightedness.” It’s a circumstance when you see near objects very clearly, yet those afar are quite blurry. For normal vision, the light should focus on the images on the retina. Myopia happens when the incorrect refraction of the rays of light focuses on the images in front of the retina.

Other Symptoms of Myopia:

  • The need to peek or to partly close the eyelids to see more clearly
  • Headaches 
  • Having difficulty to see while driving, especially at night time. 

It is detected usually during the juvenile stages of one’s life. You can find it between the ages of around seven years old up to twenty years old. It stabilizes when you reach the age of 20-30 years old. Children with myopia would usually experience these:

  • Continual peeking
  • Needing to go closer to the TV
  • Needing to sit in front of the classroom to see the blackboard clearly
  • Unwary of faraway objects
  • Excessive blinking
  • Frequently rubbing the eyes

Hyperopia: 

It is the opposite of Myopia, or medical jargon for “farsightedness.” In this case, you see objects from afar clearly, but nearby objects somewhat hazy. As for Hyperopia, the image focuses behind the retina.

Other Symptoms of Hyperopia:

  • The need to peek or to partly close the eyelids to see more clearly
  • Hurting the eyes which include flaming sensation in the eyes, and throbbing feeling inside or close to the eyes
  • Uncomfortable feeling, with headaches after doing duties, e.g., writing, drawing, reading, or doing a computer job

Astigmatism:

It is another common eye disorder that causes a faint vision in your eyes. It happens if the shape of the eye’s cornea becomes somehow asymmetrical. It is also a bit more difficult because the figure in your eyes does not just appear blurred, but rather warped.

One of the most common ways to correct vision is wearing eyeglasses or contact lenses that are prescribed by your doctors. So how do contact lenses correct vision problems?

How do Contact Lenses Work?

Wearing contact lenses changes the direction of light rays to concentrate it properly onto the retina. 

For myopia, the light rays focus the image in front of the retina. Therefore, the rays of light form a focal point in front of the eye. Somehow, this condition manifests that the eye has become too powerful. By deviating the light rays, the contact lens corrects the refraction by reducing the eye’s converging power. To lower this power, eye doctors recommend “negative” lenses.

For hyperopia, this means that your eye does not have enough converging power. It is because light forms a focal point after it reaches the retina. With contact lenses, it corrects the refraction by directing the light, thus increasing the eye’s converging power. Eye doctors recommend “positive” lenses in this case. These lenses offer more potential for the eye so light can now converge straight onto the retina. View more for  your contact lens options.

Contact lenses correct astigmatism by compensating the cornea’s irregular shape. Ordinary soft lenses may not be that effective, but using a special “toric” lenses might do the trick. Aside from contacts,  astigmatism can also be treated using Orthokeratology (ortho-K), Laser in Situ Keratomileusis (LASIK), and other surgical procedures.

Can Contact Lenses Harm the Eyes?

Although contact lenses are very safe to wear, there are potentials that they can somehow hurt your eyes. What are these conditions?

  • Wearing your contact lenses for a very long period
  • Failure to clean your contact lenses properly
  • Failure to replace them (as prescribed by your doctor)
  • Wearing the wrong contact lenses

What are the Indications that your Eyes are Irritated when wearing contact lenses?

  • You feel uncomfortable (e.g., itchiness, flaming sensation, grainy feel on your eye, etc.)
  • Your eyes feel a little sensitive to light
  • Your eyes are unusually reddish
  • Your eyes feel (a little) pain
  • Your eyes feel swollen
  • You have unclear, faint, blurry sight

How to Keep Your Eyes Healthy even with Contact Lenses?

Our bodies need oxygen, so does our eyes. Contact lenses cover the entire cornea and lie completely over our eyes. Somehow, it can limit the oxygen to breathe through our eyes. Below are some pointers on how to keep a good oxygen supply for our eyes.

  1. Follow the schedule set by your doctor when wearing your contact lenses
  2. Choose the latest contact lenses (the craftsmanship of these lenses transmit more oxygen to your eyes compared to standard soft lenses)
  3. Wear Rigid Glass Permeable (RGP) contact lenses (these contacts are smaller in diameter and only covers a part of your cornea; it also allows fresh tears to move under the lenses, thus cleaning the eye while worn) 

What are the Advantages of wearing Contact Lenses?

  • It coincides to the shape of your eyes – gives a wider domain of vision; lesser sight warping, and blockade
  • It doesn’t get in your way when doing sports and exercises
  • It is stylish
  • It is not affected by any weather conditions, e.g., fogging in frosty climates, etc.
  • It can remake the cornea

How about the Disadvantages?

  • It is sometimes troublesome to wear
  • It can reduce or limit the quantity of oxygen reaching the eye
  • It can add to the signs of computer vision syndrome
  • If you can’t require yourself to the suggested substitution sequence made by your eye doctor, it may cause a possibly critical eye illness
  • It can cause eye redness, dryness, grittiness, and irritation if you fall asleep with your contacts on
  • It can be irritating for some people, especially if they’re experiencing allergies and might bring discomfort for the user.

 

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