0
Want this question answered?
Be notified when an answer is posted
Add your answer:
Earn +20 pts
What is amblyopia?
Amblyopia is also known as lazy eye, it is an eye disorder made by an impaired vision in an eye that otherwise appears normal. It is estimated to affect 1-5% of the population. It occurs when the brain "turns off" the visual processing of one eye to prevent double-vision. Amblyopia usually only affects one eye. When people have amblyopia they have to put an adhesive eye patch on the good eye so the bad eye can "catch up" to the good eye.
What is optical nerve drusen?
Optical nerve drusen are a congenital disorder of the optic nerve that can be seen on a dilated eye exam. They are seen as one or more raised areas on the optic nerve head that are composed of bundles of glial tissue. They commonly have no effect on the visual function, but can occasionally be responsible for an increased blind spot. However, this is usually only seen with a visual field exam in an eye doctor's office.
What causing rippling water effect and disturbed vision?
have visual disturbance when reading becomes difficult and have effect of rippeling water around one eye, twice in right eye and once in left eye.
Information about does the eye color affect the red eye in a photograph?
It's caused by the reflection of the color of the Retina.... The retina is red so when the flash from a camera goes all the way to the back of the eye it some of it bounces back and reflects the color of the retina...
What does 75-300mm mean?
this is the number of millimeters a lens will make a sharp image at, usually from its back element. 50mm is usual on 35mm film cameras-i.e.as your eye sees a subject. Digital is different for each camera.
Which term describes a defect in the right or left half of the visual field?
Hemianopia or hemianopia is a defect in the right or left half of the visual field. It can affect one eye but can also affects both eyes.
Which area is responsible for the head and eye movement in response to visual stimuli?
Frontal Eye Field
How do visual field compare with the fields for a normal eye?
it doesnt
Which diagnostic test is performed to determaine losses in peripheral vision?
A visual field test; the most common type is called a Humphrey Visual Field 30-2 test; older and less common visual field tests include Goldmann visual fields and tangent screen visual fields. Source: I am an Optometrist
Where is a lesion if there is normal vision in both eye for the right half visual field but there is absence of vision in both eyes for left half of the visual fieled?
If there is normal vision in both eye for the right half visual field but there is absence of vision in both eyes for left half of the visual field, then the lesion is in the left eye. Since the vision for right eye is clear, the lesion is in the left.
What is the medical term that describes blindness in one half of the visual field?
Hemianopsia is the medical term meaning loss of half of the visual field.
How is the visual pathway from the eyes different from that of the ears or hands?
each eye is not primarily connected to one hemisphere only instead, each visual half field is projected to the opposite hemisphere so, if an image is seen in the right visual field it would be seen in the left hemisphere and if an image is seen in the left visual field it would be seen in the right hemisphere
What is a monocular zone?
The monocular zone is the region of the visual field that is seen only by one eye. The binocular zone is the part of the visual field seen by both eyes. The nose is the obvious obstacle between the eyes so it is the prominent cause of the difference between monocular zones of each eye.
What is contralateral homoymous hemianopia?
it is partial blindness that may result in blindness in the same visual field of both eyes
Why do you have to have your eyes dilated to do a visual fields test is that necessary?
Dilating the pupils for a visual field test allows more light to enter the eye. If your first visual field was performed while dilated, it's very important that all subsequent visual fields be repeated while dilated, otherwise the undilated tests are considered inaccurate or invalid.
What has the author Thomas J Walsh written?
Thomas J. Walsh has written: 'Visual fields' -- subject(s): Eye Diseases, Visual Fields, Visual fields, Diagnosis, Perimetry, Visual Field Tests 'Neuro-ophthalmology' -- subject(s): Diagnosis, Eye Diseases, Eye Manifestations, Neurologic Manifestations, Neuroophthalmology, Diagnositc, Neuro-ophtalmologie, Manifestations oculaires, Manifestations neurologiques, Maladies de l'oeil
How is the visual pathway from the eyes different from the ears or hands?
each eye is not primarily connected to one hemisphere only instead, each visual half field is projected to the opposite hemisphere so, if an image is seen in the right visual field it would be seen in the left hemisphere and if an image is seen in the left visual field it would be seen in the right hemisphere
