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| Retina |
| Retina Tests |
Amsler Grid
This simple screening test is used by our eye doctors to assess the macula (the center of the retina). The Amsler Grid consists of evenly spaced horizontal and vertical lines printed on black or white paper. A small dot is located in the center of the grid for fixation. While staring at the dot, the patient looks for wavy lines and missing areas of the grid. This test can be done at home to test for vision problems.
Fluorescein Angiography (FA)
Fluorescein angiography is a test that provides our eye doctors with information about the circulatory system and the condition of the back of the eye. It is useful for evaluating many eye diseases that affect the retina. To perform this test, the technician, under the care of an eye doctor, inserts a special dye, called fluorescein, into a vein in the arm. As the dye travels through the body, it passes through the blood vessels at the back of the eye. As it does, a special camera is used to take a photograph. By looking at the dye patterns in the photograph, your doctor can determine if problems exist.
Fundus Photography
This type of photography involves a customized camera that is mounted to a microscope with intricate lenses and mirrors. The high-powered lenses are designed so the photographer can visualize the back of the eye by focusing light through the cornea, pupil, and lens. Fundus photography is used by eye doctors to evaluate the health of the optic nerve, vitreous, macula, retina, and its blood vessels.
Indocyanine Green Dye Study
This special dye test is used to evaluate the circulatory system of the choroid, the layer just behind/beneath the retina. After the dye is injected into the patient's arm, it travels through the bloodstream to the eye, where it reveals leaking vessels in the choroid. A special camera is then used to take a photo of the eye.
Ophthalmoscopy
An ophthalmoscope is an instrument used to examine the retina and vitreous. Ophthalmoscopy requires dilating the pupils with drops to give the doctor the best view inside the eye.
Slit Lamp Examination
The slit lamp is a microscope with a light attached that allows the doctor to examine your eye under high magnification. The instrument is used to view the cornea, iris, and lens, and sometimes it is used to examine the vitreous, retina, and the optic nerve as well.For more information about retina tests, Contact Sardana eye Institute.
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