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Nuclear sclerotic cataracts are indeed the most common type of cataract encountered in the general population, particularly in older adults. This type of cataract occurs due to the gradual hardening and opacification of the lens nucleus over time, which is influenced by various factors including aging, UV light exposure, and other systemic conditions like diabetes.

As individuals age, the lens becomes less flexible and more opaque, leading to symptoms of blurred vision and difficulties with night vision, which are characteristic of nuclear sclerotic cataracts. The visual impairment associated with this type of cataract generally progresses slowly, allowing many patients to adapt initially.

In contrast, posterior subcapsular cataracts primarily affect the back of the lens and can develop more rapidly, often leading to significant vision issues even at an earlier age. Peripheral cataracts, while they can occur, are less frequently reported and may not provide the same degree of visual impairment compared to nuclear sclerotic cataracts. Congenital cataracts occur at birth or develop in childhood and are markedly less common than age-related types.

Thus, the prevalence of nuclear sclerotic cataracts, particularly as a function of aging, solidifies their status as the most common cataract type in clinical practice.