• The main purpose of myopia care:
• To prevent the onset of myopia.
• To prevent the progression of myopia.
• To prevent complications of high myopia.

To prevent the occurrence of myopia, we should first understand the mechanism of myopia. However, there are many theories about myopia and they can be summarized into two categories: 1) balloon theory: increased eyeball tension, such as: adjustment of convergence, increased intraocular pressure, etc. and 2) decreased eyeball wall resistance. Therefore, there are the following ways to prevent myopia.

• Reducing the tension of the eyeball: Reducing close-range accommodation and convergence, lowering intraocular pressure, avoiding eye squinting and frowning and other acts of correcting visual acuity.
• Increasing eyeball wall resistance: Avoiding diseases affecting connective tissue development.

Does light or color affect myopia?

Blue light enlarges the eye axis and equator (causing myopia). Green light, white light and red light do not affect or improve myopia.

Both strong and weak light can increase the eye axis or equator; therefore, too strong or too weak light should be avoided.

Astigmatism is also an incorrect image stimulus and may be the cause of myopia.

TCM treatment

Traditional Chinese medicine (TCM) therapy includes acupuncture, eyeball movement and massage, whole body meridian relaxation exercise, and thermotherapy. It can improve vision but cannot effectively prevent myopia from worsening. Moreover, long-distance gaze is unable to suppress myopia.

Correction for common glasses

Correction for common glasses: Full correction without needing two pairs of glasses for long and short distances respectively. Bifocal or progressive multifocal glasses are recommended only for students who use long-acting atropine. Rigid gas permeable (RGP) contact lenses may inhibit the development of myopia.

Diopter correction

Corneal refractive surgery: The main purpose is to correct myopia, instead of suppressing the progression of myopia. Therefore, this procedure is currently considered for patients at 18 or older whose myopia has stopped progressing.

The safety of corneal refractive surgery has been improving. From early RK (radial keratotomy), PRK, ALK to current LASIK (laser-assisted in situ keratomileusis), the therapy is widespread but the treatment of "moderate myopia" is the best.

Ultra-high myopia is often limited to corneal refractive surgery because of its thinner corneal thickness and more corneal incisions.

"Lens replacement surgery" - lens removal is combined with posterior chamber intraocular lens implantation for the treatment of "ultra-high myopia" with good effects.