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Cyanopsia primarily affects the retina, the light-sensitive layer at the back of the eye, and sometimes the optic nerve, which transmits visual signals to the brain. The retina contains specialized cells called photoreceptors, which are responsible for detecting light and color. In cyanopsia, these photoreceptors, particularly the ones ...
Cocaine abuse has shown hair loss due to the hot vapors traveling up causing burning of the hair of the eyebrows or eyelashes. Radiotherapy and chemotherapy can cause hair loss due to the eradication of the hair cells, especially when used to treat ocular tumors. Genetics: Some of the diseases listed in the causes can be inherited.
Keeping a sense of balance requires the brain to process a variety of information received from the eyes, the nervous system, and the inner ears. If the brain is unable to process these signals, such as when the messages are contradictory, or if the sensory systems are improperly functioning, an individual may experience lightheadedness or ...
Sensory loss can occur due to a minor nick or lesion on the spinal cord which creates a problem within the neurosystem. This can lead to loss of smell, taste, touch, sight, and hearing. In most cases it often leads to issues with touch. Sometimes people cannot feel touch at all while other times a light finger tap feels like someone has punched ...
You may notice sudden hair loss, gradual hair loss, or hair loss that gets better or worse over time. Essentially, alopecia in women can look quite different from one person to the next. Common ...
The Marcus Gunn pupil is a relative afferent pupillary defect indicating a decreased pupillary response to light in the affected eye. [3] In the swinging flashlight test, a light is alternately shone into the left and right eyes. A normal response would be equal constriction of both pupils, regardless of which eye the light is directed at.
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The main symptom is loss of vision, with colors appearing subtly washed out in the affected eye. A pale disc is characteristic of long-standing optic neuropathy. In many cases, only one eye is affected and a person may not be aware of the loss of color vision until the examiner asks them to cover the healthy eye.