If you normally see blurry both near and far, feel fatigue and to focus your vision better you need to squint your eyes, you may suffer from astigmatism. Most likely you will need prescription glasses for your eyesight and this is determined by an ophthalmologist through a series of tests that are very easy.
With prescription glasses you will be able to totally improve your vision, the discomfort caused by this disorder will be eliminated and you will have a better quality of life. If you continue reading, you will discover what causes it, the symptoms, types of astigmatism and what lens you need to correct it, stay with us.
What is astigmatism?
This imperfection is located in the curvature of the cornea, exactly in the frontal area, and this causes the light you perceive not to be projected in a single point. When the light is not projected properly, it makes your vision blurry and you cannot focus well on objects, this situation causes eyestrain and discomfort.
That is why it is important to visit a specialist, since he/she will make a complete revision and will determine what type of prescription glasses you need to correct this imperfection. There are many options on the market, the main thing is to choose a brand that offers quality, variety in models and that are affordable.
Causes of astigmatism
There are many causes that are related to this imperfection, the genetic factor is one of them, so you may have it since birth. Also, it becomes present after suffering an injury, an illness or simply appearing after going through an eye surgery.
A healthy eye has a round curvature and this makes light refract efficiently to form sharp images. When this curvature is oval, the cornea and lens undergo a variation that causes blurred vision.
Other refractive errors cause astigmatism, such as: myopia and hyperopia, both of which present distortions in the curvature of the cornea. In myopia the curvature of the cornea is much larger and in hyperopia this curvature is much smaller.
You don’t need to think that because you read in low light or because you like to watch television very close up you caused this imperfection. It is simply a vision disorder, it has a solution and an ophthalmologist can offer you many options to improve it.
Symptoms that indicate you have astigmatism
When you have astigmatism, images are seen in a distorted way, both far and near, and this causes a series of symptoms that we detail below:
- Eyes squinting to focus on objects.
- Distorted and blurred vision.
Types of astigmatism
Here are the most common types of astigmatism for you to review them carefully and learn to identify which one is yours:
It is a combination of astigmatism and myopia, which causes you to see blurred images both far and near. Also, when reading you will confuse certain letters such as H, M and N or B with E, in the case of numbers you will see 8 and 0 in a similar way.
This anomaly combines astigmatism and hyperopia, if you suffer from it you will have blurred vision and even more in short distances. In children this problem can end up in strabismus, so it is necessary to be attentive with the smallest of the house.
It occurs when there is an imbalance in the focus of the meridian of each eye and this focus occurs behind or in front of the retina. In this case you will have a blurred, uneven, pronounced vision, accompanied by light halos and some with tails.
Treatment for astigmatism
There are different treatments that help correct astigmatism, the use of glasses or contact lenses is one of them. Also surgeries are an alternative that is necessary to evaluate in order to eliminate this problem permanently.
Laser corneal surgery
This surgery is effective and very efficient to correct astigmatism, the specialist uses different techniques to carry out the process. The most recognized techniques are: SMILE the most recent, LASIK and PRK the oldest of all.
They are part of the group of surgical techniques and consist of implanting a phakic or pseudophakic intraocular lens. This type of intervention is performed in 15 to 20 minutes and after the operation, routine check-ups must be done every two years.
If you opt for the use of lenses, we recommend the Vooglam brand, its website offers a wide variety of prescription glasses online. If you buy this model and want others you can get the new frame at half price.
How to perform the Clock Circle Test
The hour circle test is a tool used to determine if the patient suffers from astigmatism and you can do it online. This will help you determine if your doubts are true, if so you should visit your ophthalmologist to find solutions.
- Once you find the online test, stand one meter away from the computer screen.
- Cover one of your eyes and observe the figure, then do the same process with the other eye.
The purpose of this test is to verify if you can see all the lines clearly or if some are blurred and others are not. Depending on what you see, it will be a clue for you to visit a specialist who will recommend prescription glasses.
What type of lens corrects astigmatism?
If you feel that you have to squint to see better, if you experience eyestrain and blurred vision, you have astigmatism. Therefore, it is important to make certain tests to determine if you suffer from this pathology, if so, you should use cylindrical monofocal lenses to correct your vision.
Where to find the best prescription glasses online?
On the internet you can find endless models of prescription glasses, the crucial thing is that you choose quality brands. For this reason, we want to recommend you these prescription glasses for vision of the brand Vooglam, because they have the best quality-price ratio and there you can find other models.