A cortical cataract occurs in the edges of the lens – the cortex – hence the name cortical cataracts. As the condition of the cortical cataract worsens, the light entering the eye is scattered, causing a hazy vision.
What are the types of senile cataracts?
Cortical senile cataract progress in two manners — they either develop slowly and stay the same for a long period or progress very rapidly. There are two varieties of cortical cataract – posterior cortical cataract, and anterior cortical cataract.
What are posterior subcapsular cataracts (PSC)?
Posterior subcapsular cataracts (PSC) are opacities located in the most posterior cortical layer, directly under the lens capsule. This type of cataract tends to occur in younger patients than cortical or nuclear sclerotic cataracts.
What is the pathogenesis of age-related cataract?
In age-related cataract, the pathogenesis of cataract development is multifactorial and includes the following factors : Compaction and stiffening of the central lens material (nuclear sclerosis) as new layers of cortical (outer lens) fibers continue to proliferate over time Abnormal changes in lens proteins (crystallins)…
What are nuclear cataracts in the eye?
Nuclear Cataracts Nuclear cataracts are often a normal progression of aging, as the lens of the eye can yellow and become cloudy with age. A nuclear cataract is most often associated with aging and forms in the center of the lens (the nucleus). Nuclear cataracts can occur in one or both eyes, and they often impact distance vision.
How do different types of cataracts develop?
Each type of cataract develops in a specific portion of the lens. A cortical cataracts forms in the shell layer of the lens, known as the cortex, and gradually extends its spokes from the outside of the lens to the center.
