Acronyms used in this website
BVC britervision.com
CON Clip-on glasses
EBVS Eye-brain vision system
FOV Field Of View
LTC Light Transmission Go efficient: 0% (black) to X% (light to dark) to 100% (clear) .
MFV Multi-Filters Vision TM
PRG Prescriptions Glasses
PHG Pin-Hole Glasses
SG SunGlasses
ZOI part of the lens covering the Zone Of Interest of the scene in front of the eyes
ZMI part of the lens covering the Zone of Medium Interest of the scene
ZLI part of the lens covering the Zone of Low Interest of the scene
MFV TM Eyewear Categories
– Used for any eyewear following the Multi-Filters Vision TM fundamentals
MFV-X-0: Two filters at X% for ZOI and 0% for ZLI.
MFV-100-X : Two filters at 100% for ZOI and X% for ZLI.
MFV-100-0: Two filters at 100% for ZOI and 0% for ZLI.
MFV-100-X-0: Three filters: 100% for ZOI, X% for ZNOI-1, 0% for ZLI-2.
MFV TM Fundamentals
MFV-1: increase eye sensitivity by reducing light reaching the eyes
MFV-2: use filters densities to control the brightness of different areas of the visual field.
Low-Vision additions
MFV-LV-1: reduce the number of lens areas (and filters) to two;
MFV-LV-2: use a large difference in density between the two filters: one light to clear, the other very dark to black.
MFV-LV-3: keep the size of the light/clear filter covering the zone of interest not larger than the necessary.