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What Are The Medical Terms For Nearsightedness And Farsightedness?

Nearsightedness and farsightedness are two common vision problems. Nearsightedness is when someone can see objects clearly close up, but objects far away are blurry.

Farsightedness is when someone can see objects clearly far away, but objects close up are blurry. There are medical terms for these conditions: myopia and hyperopia.

Myopia is nearsightedness and hyperopia is farsightedness, TheyaVue Buy Online.

Nearsightedness and farsightedness are conditions in which people have difficulty seeing things up close or far away, respectively.

Nearsightedness is typically more common than farsightedness, and it affects both men and women equally.

The two conditions are diagnosed using different tests, but the treatments are mostly the same.

People with nearsightedness need to wear glasses that correct their vision to about 20/40, while people with farsightedness need to wear glasses that correct their vision to about 20/60 or better.

Lazy eye is a condition in which one eye is more active than the other. This can happen for a number of reasons, including damage to the brain, nerve problems, or some type of trauma to the eyes.

Lazy eye can be corrected with glasses or surgery. Subjective symptoms of nearsightedness include difficulty reading, decreased peripheral vision, and headaches.

Objective symptoms of nearsightedness include a visual field defect, an inability to focus on far away objects, and an inability to read or drive at night.

A more serious problem is myopia, which causes the eyes to grow longer and thinner.

People with nearsightedness may notice that their vision is blurry or that objects appear to be closer than they actually are.

Nearsightedness is the most common refractive error and the most common cause of myopia.

Causes of Nearsightedness

The causes of nearsightedness are unidentified; some studies suggest that it is a hereditary problem. If the parents have myopia, their children are at a higher risk to develop it.

Myopia can also develop if the cornea is curved for the eyeball length or if a lens is too thick.

It can also be caused by a couple of problems that can occur in the cornea, eyeball length, and lens.

Research is being carried out to review the effects of age, sex, and ethnicity in the development of myopia in humans.

Scientists say that spending a lot of time in front of the computer, reading, writing, insufficient time spending in natural sunlight (to list just some of the causes) may worsen the condition of myopia.

A recent development in research on this topic is that the circadian rhythms which adjust the human body on the basis of daily cycles of day and night can also be a factor that leads to myopia.

Causes of Farsightedness

The main causes of hypermetropia are shortness of the eyeball, weak focusing power, as well as irregular shape of the cornea or lens.

Hereditary is one of the causes of hypermetropia/farsightedness, it may come from parents to child. Presbyopia/farsightedness can occur in the natural aging process.

Symptoms Of Nearsightedness

  • Inability to see distant objects clearly
  • Distant objects will appear blurred
  • Squint the eyes to see distant objects or eyes need to be partially closed
  • Headaches related to eyestrain
  • Reading disability while driving, especially not able to read road signs during night
  • Difficulty for children to see what is written on the blackboard at school
  • Sitting and watching the television very close to it.

Symptoms of Farsightedness

  • Inability to see closer objects
  • Distant objects will appear clearly
  • Squint the eyes to see closer objects
  • Headaches related to eyestrain
  • Difficulty in reading small print, holding the reading objects at an arm’s distance to read