One common misconception about vision abnormalities is that sleeping on one’s side causes astigmatism. However, eye care specialists confirm that sleeping on your side does not directly cause astigmatism. The main causes of astigmatism include:
- Genetics: Individuals with family members who have astigmatism are at higher risk of developing the condition.
- Irregularities in the cornea or lens: Uneven curvature or thickness in different areas.
- Other conditions: Such as cataracts, glaucoma, and diabetes.
Currently, there is no research that confirms a link between sleeping on one’s side and astigmatism. Therefore, side sleeping is not a cause of astigmatism. The effects of astigmatism include blurry or distorted vision, eye strain, headaches, and difficulty seeing clearly, especially at night, which can be dangerous for driving.
Appropriate Sleeping Positions for Eye Health
Although side sleeping does not affect astigmatism, proper sleeping positions can impact eye health, especially for those who wear contact lenses:
- Sleeping on your back: This position is beneficial for eye and facial health as it does not put pressure on the eyes, promotes good blood circulation, and prevents wrinkles.
- Side sleeping: Alternating sides is recommended to avoid prolonged pressure on one eye. Avoid sleeping on your arm as it may restrict blood flow.
It is best to avoid sleeping on your stomach, as this position can put pressure on the eyes, face, and neck.
Eye Health Care Tips
- Get regular eye exams at least twice a year.
- Take regular breaks from activities that strain your eyes, especially when staring at screens.
- Eat foods beneficial for eye health, such as fruits and vegetables.
- Avoid touching your eyes with unclean hands.
- Wear sunglasses when outdoors.
In conclusion, side sleeping does not cause astigmatism. Astigmatism results from genetics, irregularities in the cornea or lens, and other conditions. Contact lens wearers should choose appropriate sleeping positions to avoid eye irritation and maintain regular eye care for clear vision.
Source: Thai Health Promotion Foundation
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