What is the eye speculum used for?
Current wire eyelid specula,such as Kratz-Barraquer speculum, are used to expose the ocular surface by preventing eyelids from closing. They must be strong enough to resist orbicularis-induced reduction of the palpebral aperture and forced eyelid closure.
How do you insert eyelid speculum?
Installation of the lid speculum with drape is simple: Fold the upper ring, pull the upper eyelid up, and insert the lower ring first into the conjunctival sac of the upper eyelid and then into the lower eyelid in a similar manner. Removal is also easily achieved by reversing the procedure.
What are iris forceps used for?
Product description. Single use Iris Toothed Dissecting Forceps 1:2 Teeth, used for fine surgical procedures to hold delicate tissues during suturing. Also used to tie sutures at the end of the procedure.
What is a chalazion clamp?
Chalazion clamp is applied to the everted lower lid. The clamp is tightened and used to evert and expose the conjunctival aspect of the eyelid. The clamp aid controls bleeding during the procedure and helps in fair localization of the lesion.
What is the difference between enucleation and evisceration?
Enucleation is the surgical removal of the entire eyeball leaving behind the lining of the eyelids and muscles of the eye. Evisceration removes only the contents of the eye, leaving the white part of the eye (the sclera) and the eye muscles intact.
How do doctors drain a chalazion?
Chalazion Surgery The doctor injects a numbing agent into the eyelid and makes a small incision in the bump. The doctor then drains the fluid and removes the material collected within the nodule. Typically, no stitches are required.
What is the difference between stye and chalazion?
While styes are typically caused by bacterial infections, a chalazion is a reaction to trapped oil secretions and not generally caused by bacteria, although they can become infected. If you have a bump on your eyelid that is not tender, more than likely you have a chalazion.
What are the 3 surgical procedures in eye removal?
In an evisceration, the implant is wrapped by the sclera with the extraocular muscles still attached. In an enucleation, the extraocular muscles are detached from the sclera and then attached to the implant. The tissues surrounding the eye – the tenon’s capsule and conjunctiva – are then closed over the implant.
Is optic nerve removed in enucleation?
Enucleation describes the removal of the entire globe, with separation of all connections from the orbit, including optic nerve transection.