Checking lens power accuracy for short and long eyes after cataract surgery
Part of Eyes & vision clinical trials.
After cataract surgery, doctors check how well the lens power they chose matched your eye's actual focusing strength. This study checks how accurate different lens calculation methods are for people with very short or very long eyes, using your routine follow-up vision test.
Summary written for real people, not researchers, by Clin2.
Who can take part
- You had cataract surgery at our center between 2022 and 2025, using one of three specific standard (non-toric) lens models.
- Your eye length measured before surgery was either unusually short (under 22 mm) or unusually long (over 26 mm).
- At least 3 months have passed since your cataract surgery.
- You have not had any additional eye surgery (that could move the lens) on that eye since the cataract operation.
- You can complete a standard eye chart test, and you agree to let us use your follow-up results together with your earlier measurements.
Quick eligibility check
Answer a few plain-language questions, based on this study's own requirements, to get a preliminary sense of fit.
Similar studies
Other trials that look related to this one.
This study compares two types of advanced intraocular lenses (IOLs) used during cataract surgery to see which provides better vision at multiple distances. It may help you achieve clearer vision without relying heavily on glasses after surgery.
This study tests new ways to measure how well your eye sees after having cataract surgery with a special lens that helps with reading and distance. They'll take detailed measurements of your eye to improve future lens designs.
This study tests an artificial intelligence (AI) system that helps doctors choose the correct lens power for cataract surgery. It aims to improve your vision after surgery by using AI to make more accurate lens calculations.
This trial compares two methods for calculating how much an artificial lens tilts or shifts after cataract surgery. It aims to find which method gives more accurate measurements.
This study tests whether an artificial intelligence system can more accurately predict the correct lens power for cataract surgery using a new eye scan. It may help you see better after surgery without needing glasses.
This study compares two ways to choose the right lens power during cataract surgery: one uses a special measurement during surgery, the other uses standard pre-surgery measurements. The goal is to see which method gives you better vision after surgery.
Hear when a new Pseudophakia trial opens
We’ll email you when one opens — at most once a week, no account needed, unsubscribe anytime.