Final answer:
Posterior Vitreous Detachment (PVD) involves the vitreous humor separating from the retina and is commonly associated with visual disturbances like floaters and flashes, not the physical symptoms or cognitive impairments cited. It's important to monitor these symptoms since PVD can sometimes lead to more serious conditions like retinal detachment, though PVD itself usually does not cause severe vision loss or cognitive function issues.
Step-by-step explanation:
A Posterior Vitreous Detachment (PVD) occurs when the vitreous humor, which is the viscous fluid that fills the posterior chamber of the eye, starts to separate from the retina. The complaints associated with PVD are mainly visual disturbances such as floaters, which are small dots or cobweb-like strings that move in one's field of vision, and flashes of light. Unlike symptoms described in the reference, such as muscle weakness, impaired coordination and balance, numbness, and impaired cognitive function, these are not typical complaints of PVD. Instead, PVD usually does not cause severe vision loss or physical symptoms outside of the eye. However, it's important to monitor the symptoms carefully as PVD can lead to retinal tears or detachment in some cases, which require prompt medical attention.
The working memory, a function of the prefrontal cortex that maintains a representation of information not in the immediate environment, is not directly related to PVD, as PVD typically affects vision rather than cognitive functions. Nevertheless, any vision issues can indirectly affect cognitive functions by making it harder to process visual information.
Individuals experiencing symptoms of PVD should see an eye care professional for an evaluation to ensure there are no more severe issues such as retinal detachment.