Have you ever wondered why people complain about not being able to see nearby objects ? It is obviously due to a vision problem. The answer lies in two common vision problems: Myopia and Hypermetropia. Let’s first understand the difference between these two and then about myopia treatment.
Difference between Myopia and Hypermetropia
Myopia | Hypermetropia |
Also termed as nearsightedness | Also termed as longsightedness |
the image is formed in front of the Retina | the image is formed behind the Retina |
It is caused due to excessive curvature of eye lens | It is caused when eyeball is too short |
Myopia is corrected by using a Concave Lens | Hypermetropia is corrected by using Convex lens |
What is Hypermetropia?
Hypermetropia is also termed as Long-sightedness, a problem with near vision where seeing things nearby becomes difficult and the eyes can’t focus on nearby objects making them become very tired soon. However the vision remains clearer while concentrating on far lying objects. Doctors recommend either glasses or any contact lens for instant relief. Being a Refractive error disease, Hypermetropia is also known as refractive error
Hypermetropia Symptoms
Before continuing further we should be aware about hypermetropia and its symptoms. These include
- Eyes get tired easily (asthenopia).
- Headaches
- Vision is not at ease
- Lazy eye ( amblyopia )
- Squint eyes
Causes Of Hypermetropia
The eye is like a camera. It focuses light on the back of your eye (on a place called the retina), which provides you with clear vision. Long-sight ( hypermetropia )is caused when the light is not correctly focused, with the light traversing after the retina.
- One cause may be that your eyeballs are shorter than usual. This means that the retina is closer to the pupil, causing light to travel past the retina. A regular eye is usually around 23mm in length, so an eye that is hypermetropic will be shorter than 23mm.
- Alternatively, you can also have hypermetropia if your cornea is flat. The cornea should be curved to direct light onto the retina.
Both of these factors can cause long-sightedness, as they cause light to travel past the retina. This results in blurry vision and can affect your daily life.
What is myopia?
Myopia is also known as nearsightedness, where you can see objects nearby, whereas there is difficulty in seeing objects far away. For example, if you’re nearsighted, you may not be able to make out highway signs until they’re just a few feet away.
Myopia can impact any age group but is very prevalent in the younger population. Various research has reported that prolonged screen viewing leads to faster progression of myopia (nearsightedness) in children and adolescents. The addiction to smartphone usage has resulted in experiencing eye fatigue and strain, resulting in more cases of myopia in the younger population of smartphone use.
Nearsightedness: Myopia Symptoms
Myopia starts with different signs and symptoms that include
headaches
eye strains
squinting
Nearsightedness: Myopia Treatment
Most doctors suggest or recommend eyeglasses or contact lenses, a prevalent approach to correct nearsightedness. This helps the patient get their eyesight back immediately as the light entering the eye can focus on the retina in the back of the eye.
At Dr Basu Eye Hospital, we encourage the patients to get the proper myopia treatment. We recommend medications that can reduce their eye power, eliminate the glasses, and help achieve normal vision. For anyone who comes to get their near and farsightedness rectified, we don’t encourage changing glasses but get complete elimination of glasses by following the recommended medication by our expert eye specialist.
Risk factors associated with Myopia
Indeed, nearsightedness, or Myopia, often runs in families, suggesting a genetic component. However, the inheritance pattern of Myopia can be complex and influenced by other factors beyond genetics. While having parents with nearsightedness increases the likelihood of a child becoming nearsighted, it’s not a guarantee. Conversely, children can develop Myopia even if their parents do not have it.
Research suggests that both genetic and environmental factors contribute to the development of Myopia. Environmental factors such as excessive near work (like reading or screen time), limited outdoor time, and certain lifestyle habits may also play significant roles in the onset and progression of Myopia, especially in children.
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