to light scattering , image blur and gradual reduction of visionleadsto light scattering , image blur and gradual reduction of vision
to produce sharply - focused images throughout the field of view to provide superior response to intrudersdesignedto produce sharply - focused images throughout the field of view to provide superior response to intruders
decreased visioncausesdecreased vision
very responsive Menus(passive) are poorly designedvery responsive Menus
very responsive Menus(passive) are poorly designedvery responsive Menus
to provide correction for more than one viewing rangedesignedto provide correction for more than one viewing range
to correct aniseikoniadesignedto correct aniseikonia
to provide clear vision at multiple distancesdesignedto provide clear vision at multiple distances
blurred visioncausesblurred vision
at the turn of the 19th century by Augustin Jean Fresnelinventedat the turn of the 19th century by Augustin Jean Fresnel
to allow focusing at a range of distancesdesignedto allow focusing at a range of distances
to blindnesscan leadto blindness
cataractscausescataracts
cataractcausescataract
to a restricted visionleadingto a restricted vision
reduction in visual acuitycausesreduction in visual acuity
to improve comfort particularly in adverse environments such as air - conditioningis designedto improve comfort particularly in adverse environments such as air - conditioning
with intermediate optical powersdesignswith intermediate optical powers
usuallycausesusually
the patient to have an impaired visioncausesthe patient to have an impaired vision
for outdoor usedesignedfor outdoor use
for outdoor usespecially designedfor outdoor use
in blurry vision and faded colorsresultingin blurry vision and faded colors
in easy focus controlresultin easy focus control
for those looking for visual solution as you knoware designedfor those looking for visual solution as you know
your own sunglassesdesignyour own sunglasses
manufactured by Henry - Lepaute in Parisdesignedmanufactured by Henry - Lepaute in Paris
to f/5.6setto f/5.6
rays of light coming from the subject to bend away from the optical axiscausesrays of light coming from the subject to bend away from the optical axis