Sightus Blue Light Blocking Reading Glasses / Asian Fit Classic / Boston Frame / Matte Black

{ Design Style } Unisex Classic Timeless Design · Tailor-made for Asian facial structures · Suitable for all face shapes. ◆ Sightus are single-vision reading glasses, ideal for presbyopia correction. For example, for those who are "nearsighted or wear contact lenses and experience difficulty with close-up reading." ◆ Frame Material: The entire frame is crafted from Swiss EMS TR90 raw materials · Lightweight and easy to maintain · Matte finish texture · Spring hinge temples. ◆ Lens Material: High-transparency resin lenses · Blue light blocking. Tested and compliant with ☆ANSI Z80.3-2018 (USA) ☆ISO 12312-1:2013/Amd.1:2015 (International) ☆AS/NZS 1067.1:2016 (Australia/New Zealand). ◆ Frame Specifications https://live.staticflickr.com/65535/52490635361_f3e350fc09.jpg { Precautions } ╳ These glasses are designed as an aid for reading or close-up viewing. Do not use them for driving or walking. It is recommended to take a short break every 30-60 minutes during use. ╳ These glasses feature a coated blue light blocking lens, which results in a faint yellowish tint. This is a principle of counteracting blue light to reduce eye fatigue, aging, and retinal damage. ╳ To avoid scratching the lens surface from direct contact with abrasive fabrics, rinse with mild detergent and water. ╳ When selecting your presbyopia strength, the chart below is for a simple self-test reference only. If you have specific vision needs, please consult an ophthalmologist for recommended lens strength. { Vision Test } *For mobile phone use only Currently available strengths: +100 / +150 / +200 https://live.staticflickr.com/65535/52491141960_cdeb8f94eb.jpg 1) Hold the test chart approximately 35cm away. 2) Conduct the reading test until you begin to have difficulty distinguishing characters. 3) Identify the row where the text becomes unclear; this indicates the appropriate lens strength for your vision correction. { Care & Maintenance } https://live.staticflickr.com/65535/52490916334_57c516aaf6.jpg { Package Contents } https://live.staticflickr.com/65535/52876989872_b5dae2f34a_k.jpg { Business License } https://live.staticflickr.com/65535/52877571736_3af5205a42_k.jpg