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Ancillary Testing
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Diagnostic tests used in Ophthalmology to complement the clinical examination.
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There were 10 articles found in this category:
 Nerve Fiber Layer and Optic Nerve Imaging
In addition to the function as assessed by such tests as Visual Fields, Visual Acuity, and colour vision, an important ancillary test for glaucoma patients or suspects is 3D imaging of the optic nerve or the surrounding nerve fiber layer. These structural tests are correlated with the functiona ...
- Central Corneal Thickness (CCT or Pachymetry)
Measuring the Central Corneal Thickness (CCT) or Pachymetry, has become a standard ancillary test in the complete eye examination for patients at risk of having glaucoma. The first widespread use of this test was as a late addition to the Ocular Hypertension Treatment Study (OHTS) after it had ...
- Visual Field Testing
Because it has no noticeable symptoms, glaucoma is a difficult disease to detect without regular, complete eye exams. A visual field test, often described as a test of the side-vision, is part of a complete eye exam. The visual field test (perimetry test), measures all areas of your field ...
- Optic Disc Photographs
Photographic images of the optic disc are considered the standard for baseline documentation of the appearance (form) of the optic nerve. However, since the advent of such 3-D imaging devices as the Heidelberg Retinal Tomogram and other nerve fiber layer analyzers, they are often supplanted by ...
- Glaucoma Evaluation
Because it has no noticeable symptoms, glaucoma is a difficult disease to detect without regular, complete eye exams. During a glaucoma evaluation, your ophthalmologist (Eye M.D.) will perform the following tests: Tonometry. Your ophthalmologist measures the pressure in your eyes (intraocul ...
- Corneal Topography
Corneal topography is a computer-assisted procedure used to measure the curvature of the cornea, the clear front window of the eye. The corneal topographer projects illuminated circles on the cornea that are reflected back to the computer and used to produce a map of the cornea. This map can re ...
- Angiografía con Fluoresceína
La angiografía con fluoresceína es un examen clínico para observar la circulación de la sangre en la parte posterior del ojo, como también para diagnosticar condiciones de la retina relacionadas con la diabetes, la degeneración macular debida al envejec ...
- Indocyanine Green Angiography
Indocyanine green angiography (ICG) is a clinical test used to detect abnormal blood vessels in the choroid, the layer of blood vessels under the retina. These abnormal blood vessels, typically associated with macular degeneration, may cause bleeding, scarring, and vision loss. If the blood ves ...
- Fluorescein Angiography
Fluorescein angiography, a clinical test to look at blood circulation inside the back of the eye, aids in the diagnosis of retinal conditions associated with diabetes, age-related macular degeneration, and other eye abnormalities. The test can also help follow the course of a disease and monito ...
- Optic Disc Topography
To monitor the progression of glaucoma, ophthalmologists (Eye M.D.s) check the condition of the optic nerve. One method for checking the optic nerve is with optic disc topography using a confocal scanning laser. This technique creates a three-dimensional image of the optic nerve head. Much like ...
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