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yearly veritable middle medical examination is the keystone to prevent theloss of visioncaused by glaucoma . People between the age of 40 and 60 , it is recommend for eye health check at every 12 months . Individuals who are at high risk should go for a test every class after geezerhood 35 . Approximately 60 to 67 million individuals have glaucoma globally so early detection and straightaway treatment only can reduce the damage to the optic nerves bundles . diagnosing is not an loose appendage ; require a complete interrogatory and valuation of the optic brass damage . Glaucoma expert ’s determination is must before any decision is made because protecting the heap is most significant vexation .
How Do You Test For Glaucoma?
test for glaucoma is commonly performed by ophthalmologists as part of a received eye examination . so as to diagnose glaucoma accurately , five - factor must be judge before confirmation is made .
Tonometry Test
Ocular tonometry is the veritable test for determining the insistency of intraocular . Eye pressure is unique to each someone and the smooth pressure help oneself to analysis the individuals whether at risk of exposure of glaucoma . Ocular tonometer is standardized to measure pressure in mm of mercury ( mmHg ) . The range of mountains for normal pressure in healthy individual is 12 to 22 mmHg . If the pressure exceeds 22 mmHg , then the person has positive glaucoma . However , there have been cases when individual have had pressure level within 20 mmHg orbit but still have glaucoma . This condition is name normal tension glaucoma . Some of the dissimilar tonometry method are
Ophthalmoscopy Test
Ophthalmoscopy trial , also call funduscopy used to examine the opthalmic nerve damage because of glaucoma . Before analytic thinking , eye drop used to dilate the pupil and by and by colouration and shape of the ocular nerves bundles are examined to confirm the damage . Ophthalmoscopy is a modest musical instrument , which permit light and helps to magnify the optic nerve . It has two type ’ unmediated ophthalmoscopy ( 15 time magnification ) and indirect ophthalmoscopy ( 2 to 5 times magnification ) , both has substantial part in discover glaucoma .
Perimetry
It is used for the measuring of a person ’s theatre of vision . Sometimes it is referred as campimetry meant for eye examination which can key the unlawful subroutine in central and peripheral neighborhood vision . Tangent perimetry is one of the simple devices used manually . Many progress automated and computerized perimetry used at present to detect the progression of glaucoma .
Gonioscopy
Gonioscopy also denote as gonioscope used to draw the iridocorneal angle . It helps to find the anatomical slant formed between the eye ’s cornea and iris . This is significant in recognition of the former phases of the glaucoma and many eye disease in individual . A small machine with lens is place on the eye for analysis . The lens of the eye helps the expert to see whether slant formed by the flag and cornea is blocked or close , which is a foretoken suggestive of slant - closure or acute glaucoma or whether he slant is open and wide-cut which is a mark of inveterate or openangle glaucoma . Koeppe unmediated goniolens , Goldmann collateral goniolens , and Zeiss indirect goniolens are some of the example of goniolenses used for diagnosing .
Corneal Pachymetry
It is the simple process of measuring the heaviness of the cornea and important trial in the former detection of glaucoma . It is a very useful gadget for expert for shield affected role who are suspected of developing glaucoma disease . Either by supersonic or optical microscopy method , the thickness of cornea in mm is measured . At present , ultra - high sonogram design of the cornea is captured and heaviness is analyzed with the help of wave form .
Sometimes two or several combined method is required for analyze the damage of nerve fiber in the diagnosing of glaucoma suit .
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