Generally, the chance of a lens failing or becoming damaged after cataract surgery is very low, particularly a year and a half after the procedure.
While intraocular lenses (IOLs) are designed to be durable and long-lasting, extremely rare complications can potentially affect them. Here's a breakdown:
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Durability of IOLs: Once an IOL is placed inside the eye, significant damage is uncommon, especially after a considerable amount of time has passed since the surgery (e.g., a year and a half).
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Potential, but Rare, Issues: Though uncommon, there exist a few very uncommon conditions that can harm the implant. The reference doesn't specify the possible conditions, but they are stated to be very unlikely.
In essence, while not impossible, lens failure after cataract surgery is an exceedingly rare occurrence.
