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Different Clinical Parameters to Diagnose Glaucoma Disease: A Review
| International Journal of Computer Applications |
| Foundation of Computer Science (FCS), NY, USA |
| Volume 115 - Number 23 |
| Year of Publication: 2015 |
| Authors: Pravitra, T. C. Manjunath, Dharmanna Lamani, Chandrappa S, Ranjan Kumar H.s |
10.5120/20295-2743
|
Pravitra, T. C. Manjunath, Dharmanna Lamani, Chandrappa S, Ranjan Kumar H.s . Different Clinical Parameters to Diagnose Glaucoma Disease: A Review. International Journal of Computer Applications. 115, 23 ( April 2015), 42-46. DOI=10.5120/20295-2743
Abstract
Glaucoma is a severe human eye disease that causes permanent loss of vision. The main cause of glaucoma eye disease is the continuous loss of retinal nerve fiber layers due to the increase in the intra ocular pressure inside the eyes. The function of these retinal nerve fibers is the transformation of recognized object information in the form of signals to the brain, where these signals are recognized as object. Damages to these nerve fibers generate blind spots and these blind spots leads to permanent blindness. Therefore, Retinal Nerve Fiber Layer Thickness is the main parameter to diagnose glaucoma. Other parameters also leading to glaucoma are Intraocular Pressure, Vertical Cup to Disc Ratio, Neuro Retinal Rim Thickness, Central Cornea Thickness, Inferior Superior Nasal and Temporal Sector Ratio etc. Therefore, the identification of these parameters plays the major role in glaucoma assessment, since it allows timely treatment to prevent the vision loss caused by glaucoma. To estimate these parameters, clinical instruments such as Tonometry, Ophthalmoscopy, Heidelberg Retinal Tomography, Perimetry, Pachymetry, Optical Coherence Tomography, GDx etc are adopted. This paper presents the various parameters, as mentioned above, used to analyze and diagnose the Glaucoma disease and associated advantages, disadvantages and the different instruments used to analyze each clinical parameter.
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