How to restore vision for nearsighted eyes

Aug 06, 2025 Source: Cainiu Health
Dr. Wang Shuai
Introduction
Under normal circumstances, myopia can be corrected by wearing eyeglasses, contact lenses, orthokeratology lenses, corneal refractive surgery, or implantable collamer lens surgery to restore vision. Once myopia develops, true myopia cannot be reversed; the aforementioned methods mainly aim to correct vision or control its progression. Regardless of the method used, regular eye examinations and the development of scientifically healthy eye habits are essential.

In general, vision loss due to myopia can be improved by wearing eyeglasses, contact lenses, orthokeratology lenses, corneal refractive surgery, or implantable collamer lens surgery. Detailed explanations are as follows:

1. Wearing Eyeglasses

This is a common and safe method of vision correction. Concave lenses refract light to focus it onto the retina, rapidly improving visual acuity. A medical eye examination should be conducted first to determine the accurate lens prescription. Children and adolescents are advised to have follow-up examinations every 3-6 months to adjust the lens prescription timely and prevent rapid myopia progression.

2. Wearing Contact Lenses

This includes soft contact lenses and rigid gas permeable (RGP) contact lenses. Soft contact lenses are suitable for individuals with mild myopia and no ocular inflammation. They offer a wider field of vision but require daily cleaning and care to prevent infections. Rigid gas permeable contact lenses provide better correction for high myopia and astigmatism, have high oxygen permeability, and can slow the progression of myopia.

3. Orthokeratology Lenses

For children and adolescents, wearing orthokeratology lenses overnight temporarily reshapes the cornea, allowing clear vision during the day without lenses and slowing the progression of myopia. Low-concentration atropine eye drops may also be used under medical guidance to inhibit axial elongation of the eye. Additionally, ensuring more than two hours of outdoor activity daily and reducing near-work eye strain are recommended.

4. Corneal Refractive Surgery

This is suitable for individuals aged 18 years or older with stable myopia. Procedures include all-laser small incision lenticule extraction (SMILE) and femtosecond LASIK. The surgery uses a laser to reshape the corneal stroma, altering the corneal curvature to correct myopia, thereby reducing dependence on glasses postoperatively.

5. Implantable Collamer Lens Surgery

This is an intraocular procedure involving implanting an artificial lens between the iris and the natural lens to correct myopia. It is suitable for patients with high myopia or thin corneas who are not suitable candidates for laser surgery. The procedure is reversible and does not damage corneal tissue, offering good postoperative visual quality. However, there are risks such as infection and cataract development, so strict surgical indications must be followed.

Once myopia develops, true myopia cannot be reversed. The methods mentioned above mainly aim to correct vision or control its progression. Regardless of the chosen method, regular eye examinations, healthy visual habits, and prevention of myopia-related complications are essential.

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