Patients with 500 degree myopia can choose 1.56 refractive index glasses, but because the refractive index is low and the patient’s myopia is high, the glasses lenses are thicker and heavier, and the glasses can cause certain pressure on the patient’s nose and other weight-bearing parts.
Myopia 500 degrees belongs to moderate myopia, because myopia is higher, patients can choose 1.56 refractive index lens to correct myopia, but the lens will be thicker and heavier, which can cause some pressure on the bridge of the patient’s nose and other parts of the patient’s weight, and the patient can wear glasses with obvious discomfort.
Patients can choose 1.64 or 1.67 refractive index lenses, which are thinner and lighter, and will not bring more pressure and discomfort to the wearer, which can improve the comfort of patients after wearing glasses.
It is recommended that myopic patients consult a doctor to evaluate their condition and follow the doctor’s instructions to choose the appropriate treatment.