Smart lenses make spectacles accessible to millions
Spectacles with variable lenses that can be adjusted by a wearer with no access to specialist eye care are being mass produced. Ben van Noort, co-board member and ophthalmologist, points out that Focusspec lenses can only be adjusted between +0.5 to +4.5 dioptre or -1 to -5 dioptre (most people wear...
Saved in:
Published in | SciDev.net - Health |
---|---|
Main Author | |
Format | Newspaper Article |
Language | English |
Published |
Oxford
06.10.2009
|
Subjects | |
Online Access | Get full text |
Cover
Loading…
Summary: | Spectacles with variable lenses that can be adjusted by a wearer with no access to specialist eye care are being mass produced. Ben van Noort, co-board member and ophthalmologist, points out that Focusspec lenses can only be adjusted between +0.5 to +4.5 dioptre or -1 to -5 dioptre (most people wear between -6 and +6) and they are unsuitable for astigmatism. [...]they cannot replace the long-term strategy of educating eye care personnel and creating optical workshops and distribution channels in each community in need". |
---|