Generally, cataract surgery is more prone to complications if the cataract is more advanced. The cataract becomes harder or denser as it matures, and more difficult to remove. However, the critical issue is whether the benefit of the surgery is worth the risk.
The decision to proceed with cataract surgery should be based on the person’s visual needs. When the cataract is still mild, it is certainly easier and safer to remove. However, the benefit may be low because the vision is not significantly impaired. When vision is impaired to the point that the person can no longer do activities that he or she likes or needs to do (such as drive or read), then the benefit of having the cataract removed would be high and probably worth the risk of surgery. Cataract surgery techniques have advanced enough so that the procedure is generally very safe, regardless of the severity of the cataract.
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