The Vitreous Humor and Vision

The vitreous is jelly-like liquid or substance that is found within the eye or inside the eyeball. It can be found behind the crystalline lens and tends to fill the entire space of vacuum between the lens and the retina (the part of the eye responsible for phototransduction). This area or spaces adds up to majority of the entire length of the eyeball.

The vitreous is an important component when it comes to vision and things or pathologies affecting the viterous tends to have detrimental effect on vision owing to the fact that it lies within the transparent media path through which light focused by the lens and the cornea are brought to the retina for vision. Which means that should it become opaque or translucent or anything else aside it's natural start light passage may be impede or affected and vision may also be affected.

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The vitreous sometimes get's inflamed in a condition known as vitritis during which the media becomes hazy and or dense keeping light form passing through smoothly, when this happens vision is drastically reduced and when inflammation is not controlled permanent detriments could set in, it may affect others structures also causing scars formation.

These may be caused by microbes who end up in the eye through surgical means and other procedures that may be invasive to the eye. Another common condition that one may come about when they take a look at the vitreous is the liquefaction process. As i already stated above, this is jelly-like substances that fills the vacuum and so when this jelly-like nature tends to change to more water during the senile process it sometimes causes symptoms and other conditions equally dangerous to vision and sight.

The liquefaction process tends to result in what we call posterior vitreous detachment which may also result in tractional retinal detachment which is the more dangerous of the two owing to the fact that it is an emergency condition which not dealt with within a short period of time would result in permanent loss of vision or blindness since the cells of the retina would die off.

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References

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_{Yadav, I., Purohit, S. D., Singh, H., Bhushan, S., Yadav, M. K., Velpandian, T., Chawla, R., Hazra, S., & Mishra, N. C. (2021). Vitreous substitutes: An overview of the properties, importance, and development. Journal of biomedical materials research. Part B, Applied biomaterials, 109(8), 1156–1176. https://doi.org/10.1002/jbm.b.34778}

_{Sebag J. (2018). Posterior Vitreous Detachment. Ophthalmology, 125(9), 1384–1385. https://doi.org/10.1016/j.ophtha.2018.05.018}

_{Milston, R., Madigan, M. C., & Sebag, J. (2016). Vitreous floaters: Etiology, diagnostics, and management. Survey of ophthalmology, 61(2), 211–227. https://doi.org/10.1016/j.survophthal.2015.11.008}