Tesla Hyperlight Eyewear Butterfly 2 Indoor are blue light glasses for indoor use, developed to reduce strain from screens, LED lighting and other artificial light. The model uses CR-39 lenses with Fullerene C60 coating on both sides and Ioncoat K+ anti-reflective treatment, with documented reflection below 1%. For those who work in front of a screen, read in the evening or spend a lot of time in bright indoor environments, this provides a more pleasant light experience and can contribute to less eye fatigue.

Compared to regular screen glasses that primarily filter out parts of blue light, this model has been developed to transform sharp high-energy blue light into a more balanced spectrum of green, yellow, orange and red shades. The purpose is to provide better visual comfort and support the body's natural circadian rhythm in modern lighting environments. Butterfly 2 Indoor combines this technology with a lightweight unisex design in a black frame, suitable for office, home office, reading and evening use.

• Protects against blue and blue-violet light from LEDs, LCDs, tablets and computer monitors
• CR-39 lenses with Fullerene C60 layer on both sides for optical clarity and light modulation
• Ioncoat K+ with eight thin ion layers reduces reflection to less than 1%
• Hard Coat provides extra scratch protection for daily use
• Hydrophobic, oleophobic and antistatic coating contributes to cleaner lenses and easier maintenance
• Can support focus, visual calm and a gentler transition to evening light

The technological background is based on Hyperlight Optics, where Fullerene C60 is used as a nanostructured carbon material that affects how light passes through the lens. According to the manufacturer's technology description, parts of the energy flow in the light are reorganized so that it is perceived as less sharp and more biologically compatible. This distinguishes the product from standard blue light filter glasses and makes it relevant for users concerned with biohacking, sleep support, cognitive comfort and light environment.

In practice, the glasses fit well when working in front of a computer, video meetings, studying, reading under LED lamps, watching TV in the evening and other situations where artificial light can be overstimulating. Many choose such indoor glasses when they want less glare, a calmer visual impression and better comfort without wearing dark sunglasses inside. It is not vision correcting and does not replace fitted glasses from an optician, but functions as light-protective glasses for indoor use.

Technical specifications: Model Hyperlight Eyewear Butterfly 2 Indoor, item number THE-1603BK. Dimensions 135 × 59 × 18 mm. Net weight 0.030 kg, gross weight 0.267 kg. Material: CR-39 lenses with Fullerene C60 coating and Ioncoat K+ anti-reflective coating. Colour: black. Type: unisex. Warranty: 2 years. Manufacturer is BIOPTRON AG, Sihleggstrasse 23, 8832 Wollerau, Switzerland. Country of origin: EU. Importer and distributor in Norway is Uno Vita AS, Moss.

Use of the product is at your own risk, and the perceived effect may vary from person to person. This product is not a medical device and is not intended to prevent, treat or cure disease. In the event of persistent vision problems or eye problems, you should consult an optician or doctor.