The degree above 600 degrees can be called high myopia, but this degree needs to be based on dilated pupils, because sometimes there is ciliary muscle spasm, and the pseudo component is higher, so the initial eye exam during normal screening up to 600 degrees cannot be called high myopia, but needs to be measured more accurately when the ciliary muscle is completely relaxed and the pupil is dilated, especially in children within 12 weeks of age, the pupil needs to be dilated with atropine sulfate eye ointment to fully This is more accurate when the ciliary muscle is relaxed and the pupil is dilated. If you have high myopia, you can go to the hospital and get treatment through full femtosecond laser surgery. Full femtosecond laser surgery mainly thins the cornea, improves the refractive power of the eyes, and helps the eyes to recover the best vision.