The order arrived as scheduled with no damage. Everything was packaged carefully.
Blue Light Blocking Glasses, Black, Clear Lenses, Unisex, Lightweight, Non-prescription
Product Details
Protect your eyes from fatigue from smartphones and PC work! These glasses combine an astonishing lightness with the reliable quality of the Japanese brand 吟-uta-.
Notes on Cut Rate
Some advertisement images state 29.3% / 99.9%, but the official description in the included warranty (manual) is Blue light approximately 24% cut / UV rays approximately 99% cut. To prevent any issues, we will list the values stated in the warranty as the correct ones. Please understand this in advance before purchasing.
Product Features
• Astonishing Ultra-Lightweight Design: The frame weighs approximately 7g, and the entire glasses weigh only about 14g, making them extremely light and comfortable for long wear without causing pain to your ears or nose.
• Reliable Quality: This product has been tested according to Japanese Industrial Standards (JIS T 7333:2018).
• Flexible Fit: The temple arms gently expand to fit your face width, providing a comfortable and secure fit for any face shape.
Size Details
• Frame Width: Approx. 135mm
• Lens Height: Approx. 45mm
• Temple Length: Approx. 137mm
• Bridge Width: Approx. 18mm
Product Specifications
• Type: Non-prescription (can be used as fashion glasses as is)
• Color: Black
• Material: Frame/PC material, Lens/AC
• Gender: Unisex
• Included Accessories
• Glasses
• Dedicated hard case (sturdy box type)
• Soft case (convenient pouch type for carrying)
• Lens cloth
• Instruction manual (warranty)
*As this is a secondary market item, the manufacturer's 90-day warranty does not apply. Please consider this as a product description.
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Daily Cleaning: Use a soft brush or damp cloth to gently wipe away dirt. Avoid harsh chemicals. For mesh areas, use diluted mild detergent and a soft brush.
Drying: Air dry in a cool, shaded place after cleaning. Avoid direct sunlight or high heat, which can cause fading and glue deterioration.
Storage: Stuff with paper to maintain shape when not in use. Store in a dry, ventilated area to prevent mold. Rotate between multiple pairs to extend lifespan.
Usage Notes: Designed for basketball. Not recommended for hiking, long-distance running, or other specialized sports where different performance features are required.









