BZ Optics Pho Photochromic Bi-Focal Glasses +2.50 - Graphite

The world's first bi-focal photochromic sunglasses, featuring high impact UV activated photochromic lenses which transition from clear (Cat 0) in low or no light to dark (Cat 2) in full sun.

The bi-focal magnification which is moulded discretely into the rear of the lens is available in +1.50, +2.00 and +2.50 powers (this particular option is +2.50).

The TR90 super lightweight hybrid frame has dual moulded non-slip flexible temples ideal for wearing under open or full face helmets. The adjustable non-slip nose piece ensures optimum fit and comfort for all face shapes.

Features:
- Lightweight flexible frame with dual moulded non-slip temples
- Adjustable non-slip nose piece for comfort and fit making them ideal for a wide range of face shapes and sizes
- Small clips which make changing lenses effortless

While the glasses were originally developed for cycling they are ideal for many other applications and sports.

These include:
- Driving - being able to view a Speedo, GPS, map, the radio, clock or other instrumentation night or day
- Motorcycling - the glasses fit comfortably under a full face or open face helmet and allow the rider to read all instruments night or day
- Running - reading GPS and HRM
- Orienteering - reading maps, a compass or GPS
- Trekking or walking - reading maps or a GPS
- Building or construction - idela for inside or outside reading plans and measuring, viewing fine work
- Sailing - while the glasses are not polarised they are ideal for those who wear glasses to read while competing in overnight ocean racing etc.
- And after training - reading the café menu