In today’s world, we rely heavily on screens—computers, tablets, and smartphones—almost like an “extra organ.” These habits can contribute to vision problems, with myopia (nearsightedness) being one of the most common, especially in children and adults under 40.
What is Myopia?
Myopia (nearsightedness) is a refractive error where:
- Near objects appear clear
- Distant objects appear blurred
What Causes Myopia?
Myopia occurs when light focuses in front of the retina, rather than directly on it. This can happen due to:
- An elongated eyeball
- An overly curved cornea
Other contributing factors include:
- Genetics (family history)
- Environmental factors (e.g., prolonged screen use, limited outdoor activity)
Myopia often progresses during childhood and tends to stabilize in early adulthood. It may affect one or both eyes, and the degree can differ between eyes.
Treatment Options
Myopia can be effectively managed with several options, depending on individual needs and lifestyle:
1. Eyeglasses
- The simplest and safest option
- Wide variety of frames and lens types available
- High-index lenses can reduce lens thickness, even in high myopia
Limitation: May not be ideal for sports or highly active lifestyles
2. Contact Lenses
- Convenient and suitable for active individuals or athletes
- Available in various types (daily, weekly, monthly, and colored lenses)
Important: Requires strict hygiene to prevent eye infections
3. Refractive Surgery
Modern surgical options are safe and precise, including:
- LASIK (Laser-Assisted in Situ Keratomileusis)
- PRK (Photorefractive Keratectomy)
- SMILE (Small Incision Lenticule Extraction)
- ICL (Implantable Collamer Lens)
The most suitable procedure depends on individual eye conditions and should be determined by an ophthalmologist.
Myopia is a very common and manageable condition. Early detection and choosing the right correction method can help maintain clear vision and quality of life.

Article by: ณัฐพงษ์ บูรพา, นักทัศนมาตร Glassisimo Optic
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- สายตาสั้น สาเหตุ. สืบค้นเมื่อวันที่ 11 มีนาคม 2569 จาก https://samitivejchinatown.com/th/article/eyes-lasik/Myopia