This is metal half frame. with spring hinge. flex temples. lens higher only 29mm. better for single vision. both myopia or presbyopia.
If you have astigmatism diopter. please choose ( 1.56 index less 6.0) or (1.67 index custom) and (174 index custom)
About how to order . please check this video. get some idea. here is for Spanish. other langauge check below:
During the trial-wearing process of prescription glasses, it takes about a week to adapt. Some discomforts that begin to appear are normal, such as dizziness, eye swelling, distortion, etc. These symptoms usually disappear within two days. Anyone who wears glasses knows it. If you still cannot adapt within a week. Please contact our customer service. But it must be worn so that the eyes can adapt to the new frame.