Malyugin ring
A single-use polypropylene device shaped as an eight-point scalloped ring, designed to be introduced folded through a small incision.
How it is used
Used in small-pupil cataract surgery to mechanically expand and maintain pupil dilation throughout the procedure.
Clinical tip
It is removed at the end of surgery with a specific deployment/removal instrument, once the intraocular lens has been implanted.
Sources
This entry is part of the Instriq catalog, researched and written per specialty from real web research -- never generated or invented without verification -- and reviewed skeptically and independently before publication. How this catalog is written.
History
Added to the catalog on 2026-10-05.
Dates derived from the project's public version-control history on GitHub, not a live collaborative edit log.