Adlens is adjustable reading glasses also known as adjustable magnifying glasses for reading, self-adjustable reading glasses etc. Though this is developed for reading purposes, you can use it for distance as well as reading. This is a manually adjustable glass which you can adjust as per your requirement. Pre-presbyopic and a presbyopic patient can use this glass for various reading distance like computer distance, various reading distance as well for intermediate vision like television.Adlens (Alvarez Dual Lens) was shortlisted for global index awards for emergencies glasses in September 2011. Adjustable focal eye glasses are currently using two methods for achieving variable focal length.
How to use adjustable reading glasses?There is an adjustable knob at both sides and you need to focus them by rotating for each eye.
Reading at variable distance – Very good for presbyopic person like Table work, Reading, writing, computer work
Intermediate distance for watching television
Distance vision – Normal walking and daily living activity, Driving
After cataract surgery – Most the cases doctor or optometrist prefer to prescribe glasses after 3-4 weeks of surgery. So those cases if you can use this glass for reading.
It can correct 90% spherical error
Backup emergency glass – You can use them as a backup emergency glasses if your eyeglass number is the only sphere.
It’s available online with very cheap priceLimitations:-
Only spherical power can be corrected not astigmatic refractive error
It’s not autofocus system. There is a small knob at both sides and you need to adjust the power by rotating those knobs.
Available power from +3.50 to -6.00D
Various design and of frame no available
Product description of Adlens adjustable reading glasses:-
This product is made by above technology with all features included.
The lenses are made of polycarbonate
The frame is durable and unisex design and nose pads are adjustable.