94 results found
Medical tests
… Dilated Eye Examination On this page: Overview Overview A dilated eye examination lets your eye doctor see the back of your … It also can be used to find other problems, such as head injuries or brain tumours. It's usually part of a regular …
Medical tests
… Electrophysiology Tests for the Eyes On this page: Test Overview Why It Is Done How To … These tests measure electrical activity that occurs in your eye when you look at something. Electrophysiology includes … tests how well electrical currents are working in the whole eye. It is done to check for certain eye and retina …
Medical tests
… magnified, three-dimensional (3-D) view of the parts of the eye . During the examination, your doctor can look at the front parts of the eye. These parts include the clear, outer covering (cornea), … gel) that fills the large space in the middle of the eye. Special lenses can be placed between the slit lamp and …
Medical tests
… to make magnified images, or pictures, of the back of your eye . This includes the retina. It's the part of the eye that's most responsible for your vision. Common imaging … photography. A camera magnifies the back of your eye and makes pictures. Optical coherence tomography, or …
Medical tests
… Overview Vision tests check many different functions of the eye. Some of the tests measure your ability to see details … you are to glare (brightness acuity), how well your eyes work together to provide depth perception, and more. … with examinations and tests that check the health of the eye. Here are some common tests that check for blurred or …
Medical tests
… Results Test Overview Gonioscopy is an eye examination to look at the front part of your eye (anterior chamber) between the cornea and the iris . … to see whether the area where fluid drains out of your eye (called the drainage angle ) is open or closed. It is …
Medical tests
… is a test that lets a doctor see inside the back of the eye , which is called the fundus. The doctor can also see other structures in the eye. The doctor uses a magnifying tool called an … as headaches. Find other problems or diseases, such as head injuries or brain tumours. This examination is usually done …
Medical tests
… at the air-filled cavities (sinuses) around the nose and eyes. A facial X-ray helps find bone fractures , tumours, … or changes in bone structure or size. An X-ray of the eye (orbital cavity) may be taken if the eye has been injured. A computed tomography (CT) scan may be …
Medical tests
… back on a bed or table. Or you may sit in a chair with your eyes closed. The EEG technologist will attach several flat … the computer screen. You will need to lie still with your eyes closed during the recording. The technologist will … Alpha waves are present only when you're awake with your eyes closed but you are mentally alert. Alpha waves go away …
Medical tests
… A CT scan of the head can give some information about the eyes, facial bones, air-filled cavities (sinuses) within the … Provide guidance for a brain biopsy . CT scans of the eyes, facial area, and sinuses may be done to: Look for problems of the eyes and the optic nerve . The test may find fractures of …
