dark adaptation वाक्य
उदाहरण वाक्य
मोबाइल
- After complete dark adaptation ( 3 to 12 hours ), the fundus appears normal, and this disappearance of the shiny, yellow, fundus reflex is called the Mizuo Nakamura phenomenon.
- To the unaided eye the limiting magnitude is 7.6 to 8.0 ( with effort ); the presence of Jupiter or Venus in the sky seems to degrade dark adaptation.
- In dark adaptation, the peripheral opposite activity zone becomes inactive, but, since it is a diminishing of inhibition between center and periphery, the active field can actually increase, allowing more area for summation.
- Some fluorometers can calculate NPQ and photochemical quenching coefficients ( including qP, qN, qE and NPQ ), as well as light and dark adaptation parameters ( including Fo, Fm, and Fv / Fm ).
- I live in a red area, and the limiting magnitude ( for my eyes, after dark adaptation away from as many streetlights as possible ) is about + 4.5, and I have relatively poor eyesight.
- Symptoms, mainly central vision loss, typically develop before age 20 ( median age of onset : ~ 17 years old ), and also include wavy vision, blind spots, blurriness, impaired color vision, and difficulty adapting to dim lighting ( dark adaptation delays ).
- He is best remembered for the development of ophthalmic instruments and aids he built an adaptometer for measuring dark adaptation of the eyes, an anomaloscope for the study of color blindness, and introduced the so-called " Nagelschen Farbt�felchen " ( Nagel's color tablet ) for the testing of color perception.
- The "'Purkinje effect "'( sometimes called the "'Purkinje shift "'or "'dark adaptation "') is the tendency for the peak luminance sensitivity of the human eye to shift toward the blue end of the color spectrum at low Czech anatomist Jan Evangelista Purkyn.
- Pupil dilation has a significant effect only in the first few minutes of dark adaptation, in which it allows 4-16 times the light-adapted amount of light to pass through ( http : / / sightresearch . net / files / adaptation . htm ) .-- talk ) 20 : 07, 5 August 2008 ( UTC)
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