explain the appearance of the pupilthe pupil
Explain the Appearance of the Pupil
The pupil should appear round and regular. The normal diameter is 2-4 mm. On stimulation by light, the pupil constricts, so as to reduce the amount of light entering the eye.
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define the term multi-mode fibre shortlymulti-mode fibrethis type of fibre permits more than one mode to travel by this as this has to permit more
illustrates term refractive index in optical fibresrefractive indexoptical fibres consist of two layers which are core and cladding with various
pupillary reflexesthere are two types of reflexes which control the pupillary reaction-the light reflex and near reflex when light is shown on one
explain the term- pupil pupil is the aperture in centre of the iris diaphragm that regulates entry of light into the eye
explain the appearance of the pupilthe pupil should appear round and regular the normal diameter is 2-4 mm on stimulation by light
describe the uses of pupilvariation in the size shape or reaction usually indicates some form of disease disorder or use of medication the pupil is
determine about the accommodation of eyeaccommodation is the ability of the overall refracting power of the eye to change to clearly view objects at
what is dispersion dispersion within optics consider as the change in phase velocity of an electromagnetic wave along with wavelength conversely when
what are the pupillary defectsthere are certain deviations from normal pupillary reflexes which point towards certain specific
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