Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service levels, popularity trends, and more. The rankings reflect our opinion and should be a good starting point for shopping. By purchasing the products we rank, you’ll get the lowest price we found while we may receive a commission at no cost to you, which will help us continue to provide you with value.
Curious about how we select the top products for you? Explore How It Works
How do we rank
Our AI-powered platform ranks products using multiple weighted factors from millions of products and user reviews across the web, providing the most valuable and real data. Higher scores rank first.
【High precision】 The non-parallelism of the optical axis of the lens and the geometric axis of the mirror frame: ≤ 2.5°. The difference between the optical center of the lens and the geometric center: ≤ 5mm. lens displacement relative to the geometric center of the frame: ≤ 0.3mm. adjustment range of the nose pad: length can be increased by 2mm; width: 2mm; angle: 0 ° ~ 180 ° about the length of the mirror leg adjustable range: 140 ~ 170mm.
【Effective aperture】Effective internal aperture of the frame: Φ8mm. number of lenses that can be inserted in the left and right frames: 4 (3 in the front and 1 in the back). Lens rotation of the optical axis in the inner circle of the frame: 360 °. Lens optical axis and mirror frame geometric axis of non-parallelism: ≤ 2.5 °.
【Adjustable range】Pupillary distance adjustment range: pupillary distance range of both eyes: 54-70mm; minimum scale value: 1mm. axis scale: left and right scale: 165°~0°~180°~25°. Axis scale along the axis of the frame counterclockwise increase, mark the interval of 5 °.