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what is a fiber optic sensorfiber optic sensora fiber optic sensor is a sensor which uses optical fiber either like the sensing tool intrinsic
what are the advantages of fibre optic communicationadvantages of fibre optic communication are as followsa enormous band widthcoaxial cable
explain in detail about the optic nervethe optic nerve contains more than one million axons that initiate in the ganglion cell layer of the retina
state the layers of retina the retina is coilposed of ten layersa pigmented epithelium outermost layer b neusoepithelium rods and cones
define the function of photodetectors in fibre optic communication systemphoto-detectorsat the receiver end conversion of optical signal into analog
explain how receiver functions in fibre optic communication systemreceiverthe optical signal received must be first converted within digital form and
explain about the optic discthe optic disc is also called a blind spot while the macula is referred to as the yellow spot the ora serrata the
describe in brief about retinathe retina is a highly complex layer of nervous tissue the photoreceptors are rods and cones for scotopic and photopic
what are the needs of light sources for fibre optic communicationlight sources for fibre optic communication should meet certain given requirements
determine about the nervous tissuesthe nervous tissues throughout the body including the visual nervous system are continuously active electrical
how is transmitter used in fibre optic communication systemtransmitterthis consists of analog to digital interface driver there the input signal is
describe about the extra-ocular musclesthe extra-ocular muscles are mainly involved in the maintenance of postural tonicity and performance of quick
define about the pseudosquint pseudo-falsepseudosquint is the condition when despite the visual axis being parallel there appears to be a squint
non-concomitant or paralytic squint this subdivision of manifest squint occurs when there is a deviation of the eye in different directions the
explain in detail about the concomitant squintconcomitant squint is also called comitant squint it means i follow you ie in all directions of gazes
concomitant or non-paralytic squnitthis type of squint usually occurs when there is an obstacle in the sensory pathway of binocular reflex such as
what is manifest squint heterotropiamanifest squint is a deviation of one eye from the normal position when the fusion reflex is present the
state about the latent squint diseaselatent squint is seen commonly as exophoria in infancy and presbyopic age and esophoria in childhood
determine the categories of latent squintlatent squint category there are five subtypes1 esophoria2 exophoria3 hypophoria4
explain the term- latent squint anisophoria or heterophoria this eye condition occurs when the balance of extra-ocular muscles is altered there is a
how is absorption occurred in fibre materialabsorption is associated to the fibre material it is caused by three diverse mechanisms which area
what are basic attenuation mechanisms in a fibrethe fundamental attenuation mechanisms into a fibre are as followsa absorptionb scattering mie and
what is attenuationattenuationattenuation is a reduction within the amplitude and intensity of a signal this is a significant property into optical
what is intramodal dispersion in optical fibresintramodal dispersion deltataumatintramodal dispersion is nothing although material dispersion the
what are the abnormalities of gaze normal gaze is when visual axes both eyes are parallel in primary gaze when visual axes are not parallel in