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A small, spring-loaded surgical device made of wire loops (or solid blades) used to retract and maintain separation of the upper and lower eyelids. Its purpose is to expose the globe (eyeball) fully and prevent involuntary blinking during surgical or diagnostic procedures.
read more about wire speculum ...It is universally used in procedures like cataract surgery, corneal transplants, retinal surgery, and often during complex laser procedures.
The tension provided by the spring holds the eyelids open gently but firmly, counteracting the natural orbicularis oculi muscle tension.
Wire specula are reusable surgical instruments that require high-level steam sterilization (autoclaving) after each use.
It provides maximum surgical exposure and prevents the lids and lashes from contaminating the surgical field or interfering with the surgeon's view.
Yes, often used on conscious patients undergoing procedures like LASIK, sometimes after topical anesthetic drops have been applied to reduce discomfort.
If used too aggressively, it can put excessive pressure on the eye, slightly changing the intraocular pressure or causing discomfort.