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Refractive Error

Refractive Error is an eye disorder that results in hazy vision when the shape of your eye keeps light from focusing correctly on your retina. Refractive Error is one of the most frequent vision problems that people encounter. So Refractive Error Treatment is the much-needed thing that you always look for. 

Types of Refractive Error:

Refractive Error refers to the following four circumstances:

  • Nearsightedness (Myopia)- People who have nearsightedness (myopia) have difficulty seeing distant objects, but can see objects that are close to them clearly. Usually, nearsightedness happens because your eye grows too long from front to back. Sometimes, it happens because your cornea or lens is too curved. 
  • Farsightedness (Hyperopia)- Having farsightedness (hyperopia) makes it difficult to view items in close proximity clearly. It’s the opposite of myopia. If you have farsightedness, it may be difficult for you to see notes you are typing on the laptop that is directly in front of you, even though you may be able to see words on a screen on the other side of the room. Farsightedness results from the front and back of your eye growing too short. Another cause can be your cornea or lens is too flat.
  • Presbyopia- Presbyopia is a specific type of farsightedness that develops as you get older. Presbyopia makes it challenging to see objects up close, similar to the farsightedness that can affect everyone. It’s usually the reason people need reading glasses as they age. Presbyopia occurs when the eye's lens loses some of its flexibility and can no longer focus on objects as well as it once could. It typically appears in persons over the age of 40.  
  • Astigmatism- Astigmatism can make objects at any distance look blurry. Eyes are often rounded. Your eye will resemble the back of a spoon or a football if you have astigmatism. This causes more bending and distortion of the light entering your eyes than is normal. You can experience astigmatism at any time in your life. Some people possess it naturally. Some people don't begin to feel it till they become adults.

Symptoms of Refractive Error:

  • Trouble focusing when reading or looking at a computer
  • Blurry vision either up close, at a distance or both
  • Hazy vision
  • Double vision
  • Seeing a glare around bright lights
  • Squinting
  • Headaches
  • Strain in Eye 
  • Pain in Eye 

Causes of Refractive Error:

  • Changes in the shape of your cornea, your lens
  • After Effects of Cataract Surgery
  • When the eyeball becomes too lengthy or short
  • Problems with the shape of the cornea 
  • Aging of the lens

Diagnosis of Refractive Error:

  • Dilating Eye Drops- Your eye doctor may use eye drops to temporarily widen your pupil so they can see the structures inside your eye. The small, black holes in the middle of your iris are your pupils. Your iris opens and closes the pupil to allow more or less light into the eye.
  • Retinoscopy- Retinoscopy is typically performed during a routine eye exam to determine if the eyes have a refractive error. Doctors perform a Retinoscopy using a tool called a Retinoscope, which consists of a light, a condensing lens that concentrates the light, and a mirror. During the procedure, doctors use the Retinoscope to shine light through the pupil, then moves the light vertically and horizontally across each eye and observe how the light reflects off the retina. The way the light reflects will determine if a patient can see clearly or if they are nearsighted, farsighted, or have astigmatism. 
  • Vision Screening- A Vision screening is a brief exam that looks for potential vision problems and eye disorders. Vision screening is not used to diagnose vision problems. If a problem is found on a vision screening, you will be referred to an eye care specialist for diagnosis and treatment. The specialist will do a more thorough eye test. Many vision problems and disorders can be successfully treated with corrective lenses, minor surgery, or other therapies.

Treatment of Refractive Error:

 Refractive Error Treatment is done with the following various methods:

  • Cornea transplant- A Cornea transplant is an operation to replace part of the cornea with corneal tissue from a donor. Sometimes this procedure is referred to as keratoplasty. The dome-shaped, transparent surface of the eye is called the cornea. The cornea is where light enters the eye. It significantly affects the eye's capacity for sharp vision. A cornea transplant may enhance the appearance of a diseased or damaged cornea, lessen pain, and restore vision.
  • Contact lenses- Contact lenses are small, bowl-shaped pieces of hard or soft plastic that are placed directly on the eyeball to correct refractive errors. If you choose contact lenses, your ophthalmologist or optometrist can perform a contact lens fitting as part of an eye checkup. Your eye doctor tries to find the ideal lens curve, thickness, and diameter during the fitting so that it fits your eye precisely.
  • Laser Eye Surgery- In many cases, laser eye surgery can correct their vision so they no longer need glasses or contact lenses. The cornea, the transparent front section of the eye, is reshaped during laser eye surgery. This alters its focusing ability. Laser eye surgery comes in a variety of forms. So for that, only your eye doctor can tell if you are a good candidate for laser eye surgery.

Felix Hospital is the Best Eye Care Hospital in Noida, where you will get the best treatment for various eye-related diseases, including Refractive Error Treatment.

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