Instruments

Instruments of cataract surgery 1) Barraquer wire speculum – Characteristics- ,[object Object]

It is used to separate eye lids for intraocular surgery.

Light weightUSES- ,[object Object]

Extraocular surgery- squint & pterygium surgery.,[object Object]

Removal of conjunctival and corneal foreign body.

Cauterisation of corneal ulcer.,[object Object]

It has a single big tooth to hold the superior rectus muscle

It has it first angle at a distance of 7.7 mm Uses- ,[object Object]

To fix the eyeball during surgery.,[object Object]

Conjunctival spring scissor Characteristics- ,[object Object]

The blade is kept apart by spring action.USES- ,[object Object],[object Object]

Globe Fixation Forcep Characteristics- ,[object Object]

It is used to hold the conjunctival tissue and episcleral tissue together.USES- ,[object Object]

To fix the globe while making tunnel with crescent.,[object Object]

Electrocautery along with connection wire Characteristics- ,[object Object]

It is also called as bipolar dithermy as it has two poles and to the other side wire is attached.USES- ,[object Object],[object Object]

Bard parker knife handle with blade Characteristics- ,[object Object]

It has a long handle with groove at its extreme end in which blade is loaded.USES- ,[object Object]

Used in DCR , ptosis , entropion , ectropion surgeries for incision of skin.,[object Object]

Crescent Knife Characteristics- ,[object Object]

The blade is curved and is mounted on plastic handle.USES- ,[object Object],[object Object]

Keratome Characteristics- ,[object Object]

This is a curved disposable keratome .

Straight disposable keratome are also available.USES- ,[object Object],[object Object]

Cystitome Characteristics- ,[object Object]

It can be made by bending the tip of 26 gauge needle.USES- ,[object Object],[object Object]

Kelman-McPherson forceps Characteristics- ,[object Object],USES- ,[object Object]

Used to hold the sutures.,[object Object]

Lens expressor Characteristics- ,[object Object],USES- ,[object Object],[object Object]

Posterior end of loop is continuous with hollow handle to which infusion set is attached.USES- ,[object Object],[object Object]

Simcoe’s two way irrigation and aspiration canulla Characteristics- ,[object Object]

The other end has canull which is fixed with the syringe.Uses- ,[object Object]

Can also be used for aspiration of hyphaema.,[object Object]

Lens holding forcep Characteristics- ,[object Object]

It have has blunt curved blades.

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