The existence of rods, cones and melanin pigments in the eye suggests that retinomotor activity (light dependent vision seen in fish today: daylight vision by cones and
twilight vision by the more sensitive rods) probably already existed 300 million years ago.
The new study provides a simple and reliable approach to testing
twilight vision, and shows that the light level itself is the major factor explaining the decrease in visual acuity.
«How's your «
twilight vision?»
Older adults can also have poor
twilight vision for other reasons that relate more to the decreased clarity of the eyes» contents (such as the internal lens of the eye) with age.
Sometimes called «night myopia,» decreased
twilight vision is a significant functional problem for many young adults who have a slight shift toward myopia.
«However,
twilight vision, or vision at dusk (mesopic vision) can be noticeably worse for some people and especially for some patients with eye problems.»
A simple method of testing «
twilight vision» gives reliable results in identifying people who have decreased visual acuity under low light conditions, according to a study in the May issue of Optometry and Vision Science, official journal of the American Academy of Optometry.
Not exact matches
Now he can plan for a conference and winter in which he can pull together his
vision of Britain and take the fight to Brown with renewed vigour and confidence First he was lucky to face Blair in his
twilight years.
Its flippant
vision of the consumer culture in the late
twilight of the 70s is unique — almost equal to Repo Man's early 80s take — and frankly, I would have liked to see it in another movie.
i bought my wii u with a few things in mind, first being a new zelda that captures what
twilight princess was going for but with out the limitations of the wii holding it back from their
vision, and most importantly a new metroid prime.
(For once, the word «
twilight» in a publishing context didn't conjure up
visions of vampires.)
The dog will soon show signs of decreased
vision during
twilight.
At no point does Dark Souls do anything that is not «Dark Souls-esque» everything down to the «fuck you, you're getting invaded» multiplayer fits into their cohesive
vision for a world in it's
twilight.
With a firm nod to the fantastical «valley of
vision» of Samuel Palmer and the mysticism of William Blake, Hare re-imagines the landscape as a dream - scape, on the edge of
twilight.