•  Product Name: Cataract Knife / Keratome

•  Category: Ophthalmic Microsurgical Instrument

•  Blade Type: Ultra-sharp microsurgical steel blade

•  Blade Angles: 15° / 20° / 22° / 30° depending on incision requirement

•  Sizes: 1.8 mm, 2.2 mm, 2.4 mm, 2.8 mm, 3.0 mm

•  Handle: Lightweight, ergonomic, slip-resistant grip

•  Material: Surgical-grade stainless steel or disposable steel blade attached to polymer handle

•  Usage: Single-use or reusable (depending on model)

•  Finish: Sterile, polished edge with burr-free sharpness

•  Straight Keratome: Standard corneal incision

•  Angled Keratome: Easier access for temporal incisions

•  Slit / Crescent Knife: For tunnel and side-port creation

•  Disposable Keratome: Pre-sterilised, ready to use

•  Reusable Steel Keratome: Autoclavable ophthalmic-grade steel

•  Blade: High-carbon surgical steel

•  Handle:

      o Stainless steel (reusable)

      o Polymer (disposable)

•  Surface: Ultra-polished, anti-corrosive

•  Incision Widths: 1.8 mm to 3.0 mm

•  Blade Shapes:

      o Flat angled

      o Slit

      o Crescent

      o Micro-angled

•  Handle Shapes: Straight or contoured ergonomic

•  Creating primary corneal incision

•  Side-port incisions

•  Tunnel formation in phaco surgery

•  Entry for IOL (Intraocular Lens) insertion

•  Minimal-trauma precision cutting

•  Hold like a pen for maximum control

•  Ensure correct angle alignment before incision

•  Replace immediately if blade dulls (for disposable type)

•  Avoid excessive pressure to prevent corneal tears

Reusable type:

•  Clean with neutral enzymatic solution

•  Rinse thoroughly

•  Autoclave at standard ophthalmic settings

•  Handle with extreme care to protect blade edge

Disposable type:

•  Single-use only

•  Discard after procedure

• Ultra-sharp precision

•  Smooth, linear incision

•  Reduced endothelial damage

•  Consistent, self-sealing wound

•  Lightweight, ergonomic handling

•  Blade dulls if reused too many times

•  Requires high surgical skill

•  Disposable versions increase waste

•  Never touch blade tip with fingers or instruments

•  Must remain sterile until use

•  Use correct incision size for procedure type

•  Dispose in sharps container after single use

•  HS Code: 9018.90 – Ophthalmic surgical instruments

•  HSN Code (India): 9018 90 99 – Other ophthalmic surgical instruments

Q1. What is a Keratome (CK)?

A microsurgical blade used to create precise corneal incisions in cataract surgery.

Q2. What sizes are commonly used?

1.8 mm to 3.0 mm depending on incision requirement.

Q3. Can keratomes be reused?

Yes, if they are stainless-steel reusable models; disposable keratomes must be discarded.

Q4. Why are keratomes angled?

To provide better approach and visibility in temporal incisions.