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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 problem could cause a prism in one?
A prism in one could be caused by a refractive error in the eye, such as strabismus, where the eyes are misaligned, leading to double vision. Additionally, cataracts or other eye conditions may result in light being improperly focused, creating a prism effect. This issue can also arise from neurological conditions affecting visual processing. Regular eye examinations are crucial for diagnosing and addressing such problems.
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 is visual field?
The visual field refers to the entire area that can be seen when the eyes are fixed in one position, encompassing everything from peripheral vision to central vision. It is typically measured in degrees and includes both the horizontal and vertical ranges of sight. The visual field can be affected by various factors, including eye conditions, neurological disorders, or injuries. Assessing visual field is important in diagnosing and managing eye health and neurological conditions.
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
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.
Can reduce the field of vision by?
Reducing the field of vision can occur due to various factors, such as eye conditions like glaucoma or cataracts, which can limit peripheral sight. Additionally, environmental factors, such as physical obstructions or specific visual tasks, can also narrow one's visual field. In some cases, certain neurological conditions can lead to a reduced field of vision as well. Overall, these reductions can impact daily activities and overall quality of life.
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 a retinal tag?
A retinal tag is a specialized mark or identifier used in the study of visual perception and eye movement, often in research involving eye-tracking technology. It typically refers to a specific stimulus or pattern placed on or near the retina to monitor how the eye responds or tracks objects in the visual field. Retinal tags can help researchers understand visual processing and the dynamics of attention. Additionally, they may be used in various clinical applications to assess eye health or diagnose conditions.
What is width of vision called?
The width of vision is commonly referred to as "visual field." It describes the entire area that can be seen while the eyes are fixed in one position, encompassing both central and peripheral vision. The visual field can vary significantly among individuals and can be affected by various factors, including eye health and neurological conditions.
What part of the brain is connected to the left eye?
The left eye is primarily connected to the right hemisphere of the brain. Visual information from the left eye is processed by the right occipital lobe, which is responsible for interpreting visual stimuli. Additionally, the optic nerves from both eyes cross at the optic chiasm, allowing for visual information from each eye to be integrated for depth perception and a complete visual field.
Which diagnostic test is performed to determaine losses in peripheral vision?
A visual field test is typically performed to determine losses in peripheral vision. It involves staring at a fixed point while lights of varying intensity are shown in different areas of your peripheral vision, and you indicate when you see them. This helps to map out any blind spots or areas of reduced vision in your peripheral field.
How do you know if you have scotoma?
A scotoma is a partial loss of vision or a blind spot in an otherwise normal visual field. You may notice it if you have difficulty seeing certain areas in your visual field, experience blurred vision, or if objects seem to be missing in your line of sight. An eye examination, often involving visual field tests conducted by an eye care professional, can confirm the presence of a scotoma. If you suspect you have one, it's important to consult an eye specialist for a thorough evaluation.
