What is dark adaptation?

What is dark adaptation?
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1 Answer

Answer :

Dark adaptation is the process by which the human eye adjusts to low levels of illumination, involving changes in the sensitivity and function of the photoreceptor cells in the retina.
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Related questions

Help! Legit resources for dark adaptation, aka night vision, in humans.

Description : Help! Legit resources for dark adaptation, aka night vision, in humans.

Last Answer : I am not sure exactly what your question is asking, so you mean like the pupils dilating?

An early effect of vitamin a deficiency is (A) Xerophthalmia (B) Keratomalacia (C) Prolonged dark adaptation time (D) Follicular hyperkeratosis

Description : An early effect of vitamin a deficiency is (A) Xerophthalmia (B) Keratomalacia (C) Prolonged dark adaptation time (D) Follicular hyperkeratosis

Last Answer : Answer : C

With regard to dark adaptation: a. is a quicker process than light adaptation b. the sensitivity of the cones increases more rapidly than the rods c. it is monophasic in rod monochromatism d. the first limb of the curve represents rod recovery

Description : With regard to dark adaptation: a. is a quicker process than light adaptation b. the sensitivity of the cones increases more rapidly than the rods c. it is monophasic in rod monochromatism d. the first limb of the curve represents rod recovery

Last Answer : it is monophasic in rod monochromatism

True statements about visual adaptation include: a. light adaptation takes longer than dark adaptation b. dark adaptation reaches its maximum in about 20 minutes c. in dark adapted eye, a higher intensity of light is required to stimulate cones than rodsd. people who wear red goggles in the light adapt quicker in the dark than those who do not wear them

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Last Answer : in dark adapted eye, a higher intensity of light is required to stimulate cones than rods

True statement about dark adaptation include: a. the threshold for light intensity falls b. it is biphasic c. the initial adaptation is due to rod adaptation d. the change in the light intensity threshold is usually around 100 folds

Description : True statement about dark adaptation include: a. the threshold for light intensity falls b. it is biphasic c. the initial adaptation is due to rod adaptation d. the change in the light intensity threshold is usually around 100 folds

Last Answer : the threshold for light intensity falls

The following are true about dark adaptation: a. only regeneration of rhodopsin is responsibleb. adaptation usually takes about 20 minutes c. dilatation of pupil plays a part in dark adaptation d. it is better with the fovea than the peripheral retina

Description : The following are true about dark adaptation: a. only regeneration of rhodopsin is responsible b. adaptation usually takes about 20 minutes c. dilatation of pupil plays a part in dark adaptation d. it is better with the fovea than the peripheral retina

Last Answer : dilatation of pupil plays a part in dark adaptation

True statement about dark adaptation include: a. there is a shift in peak spectral sensitivity from 555 nm to 505 nm with dark adaptation b. rods are more sensitive than cone during dark adaptation c. biphasic changes only occur in retina which processes both rods and cones d. all above

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Last Answer : all above

When we migrate from dark to light, we fail to see for sometime but after a time visibility becomes normal. It is example of (a) accomodation (b) adaptation (c) mutation (d) photoperiodism.

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Last Answer : (b) adaptation

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Which successfully film adaptation of a novel veers the most from the novel itself?

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Are there any excellent book adaptation series like Game of Thrones?

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Is getting used to highly spiced food a physiological or a psychological adaptation?

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about the adaptation of plants

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Description : Explain the process of Adaptation. -Technology

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Angiosperm show ............. type of adaptation -Biology

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Angiosperm show ............. type of adaptation -Biology

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What's the purpose of the adaptation of the barrel cactus?

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Hans Selye s general adaptation syndrome theory proposes that adaptation to stress occurs in?

Description : Hans Selye s general adaptation syndrome theory proposes that adaptation to stress occurs in?

Last Answer : How many stages?

Which is an adaptation that helped plants survive on land?

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What do you mean by adaptation ?

Description : What do you mean by adaptation ?

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What is adaptation ?

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What is adaptation ?

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Adaptation What ?

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Is there a need for adaptation in transport? (Cross Test)

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Assertion :- The aquatic mammals like Dolphins whales etc. do not contain gill slits. Reason : Their adaptation to aquatic life secondary.

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In some animals of different groups differents structure developed along same direction due to Adaptation to same needs this is caleld as :

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When two species of different genealogy come to resemble each other as a result of adaptation, the phenomenon is termed

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Adaptation for approach of sperm of egg in mammals -

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Cleidoic egg is an adaptation for

Description : Cleidoic egg is an adaptation for

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Which reproductive adaptation is characteristic of most terrestrial vertebrates but not of most aquatic vertebrates?

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Assertion: Old age is not an illness. It is a normal It is a continuation of life with decreasing capacity for adaptation. Reason: Cessation of mitosi

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Considered the following four conditions (A-D) and select the correct pair of them as adaptation to environment in desert lizards. The conditions (a)

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A behavioural strategy of adaptation called echolocation is found in

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Do olfactory receptors show adaptation to smells why is this important?

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Last Answer : Need answer