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where is the defect in the argyll robertson pupilthe defect in argyll robertson pupil is due to light near dissociation because pupil react better to
what are the sign of horners syndrome1 miosis2 ptosis3 enophthalmos4 anhidrosis and5 heterochrome
what is iris colobomacoloboma is a congenital abnormality due to non-fusion of the embryonic choroidal fissure it can affect any part of the eye and
determine the horner s pupil diseasehomers syndrome occurs because of ipsilateral interruption of the sympathetic outflow to the head and neck it can
adies tonic pupilin adies syndrome there is no evident cause for the denervation most patients are women aged 20-40 and have poor light reaction
determine the light-near dissociation testthe near response should be tested in a well lit room so that the object is
what are the sources of dispersion in optical fibers sources of dispersion into optical fibersthe key sources of dispersion of pulses within optical
describe about the argyll robertson pupil arpargyll robertson pupil arp occurs in patients who have tertiary syphilis there is a light-near
define the disease - marcus gunn pupil rapdrelative afferent pupillary defect occurs in a pupil of an eye that is blirld from optic nerve disease
what are the pupillary defectsthere are certain deviations from normal pupillary reflexes which point towards certain specific
what is dispersion dispersion within optics consider as the change in phase velocity of an electromagnetic wave along with wavelength conversely when
determine about the accommodation of eyeaccommodation is the ability of the overall refracting power of the eye to change to clearly view objects at
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
explain the appearance of the pupilthe pupil should appear round and regular the normal diameter is 2-4 mm on stimulation by light
explain the term- pupil pupil is the aperture in centre of the iris diaphragm that regulates entry of light into the eye
pupillary reflexesthere are two types of reflexes which control the pupillary reaction-the light reflex and near reflex when light is shown on one
illustrates term refractive index in optical fibresrefractive indexoptical fibres consist of two layers which are core and cladding with various
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
discuss about the single-mode fibre in shortsingle-mode fibrea single-mode fibre consists of a narrow core 8 to 10microm and refractive index in
how is plastic clad silica fibre used in optical fibresplastic clad silica fibreplastic clad silica fibre pcs is other type of optical cable this has
how is plastic fibre material used in optical fibresplastic fibreplastic fibre is classically made of plastic such are low cost optical fibres they
how is glass fibre material in optical fibres usedglass fibre material in optical fibressilica is the generally used materials for the manufacture of
what type of material in optical fibres usedmaterial in optical fibresoptical fibres are generally made along with two kinds of materials that are
describe the numerical aperture in the optical fibrenumerical aperturethe numerical aperture is described as the sine of the acceptance angle
what is atomic holographyatomic holographyatomic holography has evolved out of the growth of the fundamental elements of atom optics along with the