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illustrate about the intra-ocular pressureit is the pressure maintained inside the eye above the atmospheric pressure it is higher than fluid
state about the blood-aqueous barrierthere is a blood-aqueous barrier which prevents the movement of substances from the plasma to the aqueous humour
define the term -aqueous movement and outflow there are two movements of the aqueous humour that occur-thermal flow and bulk flow thermal flow is an
what is active transport--secretion this method is now a well accepted process of aqueous formation the rate of aqueous humour formation depends on
explain the term-diffusiondiffusion occurs from the side of greater concentration to the side of lesser concentration in aqueous humour this occurs
define the term- ultrafiltrationultrafiltration occurs when the flow of a substance across a cell membrane is increased by a hydrostatic pressure
formation of aqueous humourit is universally accepted that the aqueous is produced by the ciliary processes although
illustrate the structure and functions of aqueous humouraqueous humour is a clear fluid that fills the anterior and posterior chambers of the eye and
define the control of tear productioncontrol of tear production the lacrimal secretary system was initially thought to be comprised of two parts
contrast sense sense of contrast is the ability to perceive slight changes in luminance between regions which are not separated by definite borders
state in detail about dark adaptationdark adaptation is a phenomenon by which retina and pupil react to decreased illumination test is performed
define the term- adaptation the terms scotopic and photopic vision are relative to the lighting conditions of an individual place light adaptation is
explain about the light senseyou must be aware that when you enter into a cinema hall you are unable to see and
what do you mean by blinking and peering in the eyelidblinking and peering blinking considers as to the opening and closing movements of the eyelid
explain about the physiology of eyelid movementsphysiology of eyelid movementsit is quoted that the eyelids move more than any other part of the body
what are the functions of the eyelidsfunctions of the eyelidsthe eyelid makes the outer most layers covering the eye because of its strategic
define the objectives of eyelids lacrimal apparatus and tear film dynamicsby familiar with section you should be capable to understanda all the
explain the blood vitreous barrier as the physio-chemical propertyblood vitreous barrierthe blood vitreous barrier consists of three components tight
define about the ishiharas plates of eyesishiharas plates following plates are available- transformation vanishing hidden digit and diagnostic
illustrates the vitreous expansion and contraction in the physio-chemical propertyvitreous expansion and contraction the positive charge in na ions
what are the physio-chemical properties of vitreousphysio-chemical properties of vitreousvitreous is a clear gel like optically empty structure its
what is nagels anomaloscopethe patient is asked to match a yellow with a mixture of red and green wave lengths a defect can be detected based on the
explain about the holmgrens wools this is a matching test of coloured pieces of wool while this is not a highly
state the lantern test the patient names colours displayed in the lantern and the mistakes are analyzed this is not the best method of testing
determine the fransworth 100 hue panel testthis is a simple and useful test using colour chips arranged in a particular sequence colour deficient