The Eyes Will Establish A New Fusion Mechanism For New Eyeglasses
The larger the discount prescription glasses frame, if the refractive index and pupillary distance are constant for the same degree, the thicker it will be after polishing, especially for thin frames, which appear thicker with fewer edges.
The large frame uses a higher frequency of eye movement, causing the eyes to involuntarily see the periphery. The periphery also has a focus, and current lenses are designed with nonspherical surfaces, resulting in slightly lower peripheral focus and a central area that is closer to the actual configuration, leading to certain aberrations.
The entire mirror surface with thicker edges around the small frame has a significantly smaller reachable range. At this time, the frequency of head rotation will be higher, and the effective focal length in the central area will be higher, making it easier to adapt.
If the eyeglasses online you are wearing now are farther away from the eyeball and have a greater change in the forward tilt angle of the mirror surface compared to before, you can check this.
The transparency of new glasses is higher than that of old glasses, and the degree increases more, especially for astigmatism. The eyes will establish a new fusion mechanism and there will be an adaptation process for eyeglasses online cheap.
The phenomenon of the first situation is quite common. If there are no problems with fitting within the selected optical range, it can generally be gradually adapted. So when choosing a frame, don't think it looks good. Not all frames are suitable for individual situations because they vary from person to person.
Learn to use a hair dryer skillfully. When adjusting the board and TR90 frame, it is necessary to adjust the amplitude. You can first use a hair dryer to heat it, making the frame softer and easier to adjust; Don't aim at just one point, heat evenly.
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