Question 1

How do I find out the measurements for this instrument?

Accepted Answer

Many key measurements can be found within the product description on our website or in our product catalog. Instruments in our printed product catalog are actual size unless otherwise noted.

Question 2

I’ve read the Care & Handling instructions, but it doesn’t specify the item number that I purchased.

Accepted Answer

While our Care & Handling booklet does not specify the item number, the instructions are valid for most reusable stainless steel and titanium instruments. Click here for our Care & Handling instructions.

Question 3

How do I sterilize your products?

Accepted Answer

Please follow the care and handling guide instructions or the cleaning and sterilization instructions found on the IFU (instructions for use) packaged with the product you purchased. Click here for Care & Handling instructions or here for IFU.

Question 4

What are your instruments made of?

Accepted Answer

Our instruments are made of medical grade stainless steel or titanium. Other materials may be used and are listed in the product description of a specific product (i.e. diamonds are used in diamond knives).

Question 5

Which instruments contain latex?

Accepted Answer

The garters on Katena’s eye shields (K9-6010 through K9-6040) and the headband (K9-8411) on the Honan Balloon (K9-8410) contain latex. All other products are latex free.

Question 6

Where can I find instructions for use (IFU) on your products?

Accepted Answer

IFU may be found on this site in a pdf format under our Support section.

Question 7

How do I submit an idea for a new instrument design?

Accepted Answer

For all instrument ideas or prototypes please complete our New Product Idea form

Question 8

Can I order Corza Ophthalmology instruments directly if I live outside the United States? If not, how can I find a distributor in my country?

Accepted Answer

If you are located outside the United States, Corza Ophthalmology products are generally purchased through an authorized distributor in your country or region. Please contact Corza Customer Service, and our team will help identify the appropriate distributor and provide the relevant point of contact.

Question 9

Can I request a repair quote before the repair is performed?

Accepted Answer

Yes. The Corza repair form allows you to indicate that a quote is requested before repair work is completed.

Question 10

Can I search a Storz, Geuder, Rumex, Moria or other manufacturer's item number to find a Corza equivalent?

Accepted Answer

Yes. Use the Interactive Product Search on CorzaEye.com and enter the competitor manufacturer item number to look for a Corza equivalent. If no match appears, contact your Corza representative or Customer Service.

Question 11

Can my facility repair, bend or reshape a damaged microsurgical instrument?

Accepted Answer

No. Corza's care guidance states that the user/facility should not attempt instrument repair. Repairs should be performed by qualified technicians. Corza provides a repair process through the Support section of CorzaEye.com.

Question 12

Can reusable ophthalmic instruments be cleaned in an ultrasonic cleaner?

Accepted Answer

Many reusable ophthalmic instruments can be ultrasonically cleaned, but some require special handling. Check the product-specific IFU before ultrasonic cleaning. Diamond knives, for example, have special cleaning precautions and should not be fully submerged in an ultrasonic cleaner.

Question 13

How can I confirm tip dimensions, jaw size, gauge, overall length or other measurements before ordering?

Accepted Answer

Check the product description and current product catalog first. If a required dimension is not listed, contact Corza Customer Service or your representative with the item number.

Question 14

How can I obtain country-of-origin or other procurement documentation for a specific instrument?

Accepted Answer

Contact Corza Customer Service or your Corza representative with the item number and the document you need. Regulatory certificates that are publicly available can also be downloaded from the Regulatory section of CorzaEye.com.

Question 15

How can I tell whether a Corza instrument is stainless steel or titanium?

Accepted Answer

Check the product description and catalog for the specific item. Corza reusable instruments may be made from medical-grade stainless steel or titanium, and other materials are identified where applicable.

Question 16

How quickly should a reusable instrument be cleaned after surgery?

Accepted Answer

Clean the instrument as soon as practical after use so blood, saline, viscoelastic and other residue do not dry on the instrument. Follow the product-specific IFU for any special handling steps.

Question 17

How should I inspect a reusable instrument before sterilization or use?

Accepted Answer

Verify that the instrument is visibly clean, free of damage and functioning properly. Delicate tips and jaws should be inspected under magnification when practical. Instruments with bent tips, misaligned jaws, corrosion or functional problems should be removed from service.

Question 18

How should delicate reusable instruments be protected during storage and transport?

Accepted Answer

Use an appropriate instrument tray or protective system that keeps delicate tips separated and protected from impact. Follow the care guide and the product-specific IFU for any special storage instructions.

Question 19

What can cause staining or corrosion on stainless steel ophthalmic instruments?

Accepted Answer

Common contributors include residue left on the instrument, corrosive cleaning agents, chloride exposure, inadequate rinsing or drying, and contact between dissimilar metals. Refer to the Corza care guide for prevention and troubleshooting guidance.

Question 20

What cleaning agents should I use or avoid on reusable ophthalmic instruments?

Accepted Answer

Use cleaners that are compatible with surgical instruments and follow the current IFU. Corza's care guide recommends near-neutral cleaning solutions and cautions against corrosive agents such as bleach/chloride-containing solutions. It also does not recommend toxic disinfectants or enzymatic detergents for ophthalmic surgical instruments.

Question 21

What should I do before sending an instrument to Corza for repair?

Accepted Answer

Clean and sterilize the instrument, protect it in a sturdy shipping box, include the repair form and any special instructions, and ship it using a secure, trackable method.

Question 22

When should a reusable ophthalmic instrument be removed from service?

Accepted Answer

Remove an instrument from service if inspection identifies damage, corrosion, misalignment or a functional problem. The instrument should be professionally repaired or replaced before it is returned to use.

Question 23

Where can I find complete ophthalmic procedure sets?

Accepted Answer

CorzaEye.com lists procedure sets for multiple specialties and procedures, including cataract, glaucoma, corneal transplant, DALK, endothelial transplantation, vitreoretinal and other applications. Search by procedure or set name in the product catalog.

Question 24

Where can I find current FDA, ISO 13485, and CE documentation for Corza Ophthalmology instruments?

Accepted Answer

Visit Support > Regulatory on CorzaEye.com for downloadable FDA, CE and ISO documentation. If the specific document you need is not listed, contact Corza Customer Service with the product item number.

Question 25

Where can I find product catalogs, literature, videos and care guides?

Accepted Answer

Use the Resources section of CorzaEye.com. It includes product literature and catalogs, videos, Instrument Care & Handling, and Instructions for Use.

Question 26

Where can I find the current reprocessing instructions for Katena and ASICO reusable instruments?

Accepted Answer

Use the Instructions for Use (IFU) and Instrument Care & Handling sections on CorzaEye.com. Always follow the current product-specific IFU when it contains instructions that differ from the general care guide.

Question 27

Knives | Are Sharpoint knives reusable?

Accepted Answer

Sharpoint microsurgical knives are single-use, sterile devices intended for one procedure and are not designed to be reprocessed or reused.

Question 28

Knives | Can I get a custom blade configuration not in the standard catalog?

Accepted Answer

Custom or private-label configurations may be possible for qualifying volume commitments; requests are routed through your sales rep to Product Management for feasibility review.

Question 29

Knives | Does Corza offer training on knife selection and technique?

Accepted Answer

Yes, product training for single-use microsurgical knives is available to support product adoption. Contact your account manager for additional information

Question 30

Knives | What blade materials are used in Corza single-use microsurgical knives?

Accepted Answer

Corza knives are manufactured with surgical-grade stainless steel.

Question 31

Knives | What blade widths and angles are available for Sharpoint knives?

Accepted Answer

Sharpoint offers a range of blade widths (e.g., 15°, 30°, 45°, keratome, and slit-knife configurations) to support incisions from paracentesis to clear corneal main incisions.

Question 32

What is the country of origin for Corza knives and sutures?

Accepted Answer

Country of origin varies by product line and is listed on the package labeling; contact your account manager for documentation needed for import/customs purposes.

Question 33

Sutures | What suture materials does Corza offer?

Accepted Answer

Corza's ophthalmic suture portfolio includes both absorbable and non-absorbable options, in a range of materials suited to ocular tissue.

Question 34

What is the shelf life for the Tutoplast® products?

Accepted Answer

The Tutoplast® products have a unique 5-year shelf life from when the product is packaged and sterilized.

Question 35

Can the Tutoplast® products be resterilized if expired, opened, and not used or dropped?

Accepted Answer

No, the product cannot be resterilized if expired, opened, and not used or dropped.

Question 36

Are Tutoplast® products MRI compatible and latex free?

Accepted Answer

Yes, the Tutoplast® products are MRI compatible and latex free.

Question 37

Where does the Tutoplast® patch allograft tissue come from?

Accepted Answer

Our manufacturer, sources the tissue from donors in the US that have been screened and have given consent.

Question 38

Is the Tutoplast® patch allograft product human or animal tissue?

Accepted Answer

Tutoplast® products are human based tissue.

Question 39

What is the shelf life for the amniotic membrane products?

Accepted Answer

Amniotic membrane products have a 5-year shelf life from when the product is packaged and sterilized.

Question 40

Can the amniotic membrane be re-sterilized if expired, or opened and not used?

Accepted Answer

No, the amniotic membrane products cannot be re-sterilized if expired, or opened and not used.

Question 41

How is the amniotic membrane oriented in the packaging?

Accepted Answer

The amniotic membrane is always packaged amnion (basement membrane) side up.

Question 42

Are the amniotic membrane products MRI compatible and latex free?

Accepted Answer

Yes, the amniotic membrane products are MRI compatible and latex free.

Question 43

Where does the amniotic membrane tissue come from?

Accepted Answer

The product is sourced from C-Section donors in the US that have been screened and have given consent.

Question 44

Is the amniotic membrane product human or animal tissue?

Accepted Answer

The product is human amniotic membrane tissue.

Question 45

How are the amniotic membrane products stored?

Accepted Answer

The amniotic membrane products are stored in a clean, dry environment at ambient (room) temperature.

Question 46

What is the tarSys shelf life?

Accepted Answer

The tarSys shelf life is 18 months from when the product is packaged and sterilized.

Question 47

Is tarSys MRI compatible?

Accepted Answer

Yes, tarSys is MRI compatible.

Question 48

Is tarSys FDA approved?

Accepted Answer

Yes, the tarSys 510k number is K053622.

Question 49

Can the lenses be sold individually?

Accepted Answer

Corza Ophthalmology sells both reusable and single-use lenses. The single-use lenses are sold in boxes of 10.

Question 50

May these lenses be used for laser applications?

Accepted Answer

All lenses commonly used for lasering have the necessary coatings including an anti-reflection coating.

Question 51

Will a laser damage the lens when used for a therapeutic procedure?

Accepted Answer

No. All lenses that are appropriate for laser procedures have the proper coatings.

Question 52

Can I reuse these single-use lenses?

Accepted Answer

No. Single-use lenses are not supported for reuse.

Question 53

Can I disinfect or re-process the reusable aspheric lenses for use in the OR?

Accepted Answer

No. The reusable bi-aspheric lenses are non-contact lenses designed for use in the clinic. A lens cloth is supplied to remove dust and fingerprints. Per the Instructions for Use (IFU), the lenses can be cleaned with mild soap and water if required.

Question 54

What would happen to the reusable lens if I re-sterilize it?

Accepted Answer

The materials used for the optics of our lenses are not designed for heat sterilization and will deform if autoclaved. The use of harsh chemicals or abrasive cleaners will deteriorate the optic’s coatings and mirrors.

Question 55

Do you have a Swan-Jacob lens for the OR?

Accepted Answer

Yes. Our surgical gonio prism (K30-1405 for use in left hand, K30-1400 for use in right hand) lens is the equivalent to a Swan-Jacob lens.

Question 56

The reusable lenses feel lighter in weight. Why is that?

Accepted Answer

The material for the optics is PMMA. This material is lighter than traditional glass lenses.

Question 57

What are the most common sizes?

Accepted Answer

The most common size plugs are the 0.6mm and 0.7mm.

Question 58

How do I determine which size plug is appropriate?

Accepted Answer

You should gauge both patient’s puncta prior to choosing which size plug(s) to use. Corza Ophthalmology offers the Coroneo Punctal Gauge part number 2040.

Question 59

How do I insert a punctum plug?

Accepted Answer

After you have gauged the patient’s puncta and determined the appropriate size plug, use the dilation tip to dilate the puncta. Rotate the inserter/dilator 180 degrees and insert the plug into the puncta using a slight rotating motion. When the plug is in the puncta and the rim of the plug is seated flush with the lid margin, depress the release trigger to leave the plug-in place.

Question 60

How do I remove a plug?

Accepted Answer

Remove the plug using fine forceps (i.e. fine curved or jeweler’s type forceps). Grasp the plug around the vertical shaft below the rim and gently apply traction until the plug exits the puncta. For further information please refer to the instruction video. Watch the video here.

Question 61

Are Barron donor punches and Radial Vacuum Trephines reusable?

Accepted Answer

No. Barron donor punches and Radial Vacuum Trephines are supplied sterile and are intended for single use.

Question 62

Does the Barron Radial Vacuum Trephine require an external vacuum source?

Accepted Answer

No. The Barron Radial Vacuum Trephine uses a hand-operated syringe to generate vacuum, so an external vacuum system is not required.

Question 63

How much does the Barron Radial Vacuum Trephine blade advance with each full rotation?

Accepted Answer

The rotating mechanism advances the blade approximately 250 microns (0.25 mm) per full 360-degree rotation.

Question 64

What do the guarded-depth design and alignment circle on the Barron Vacuum Guarded Punch do?

Accepted Answer

The guarded-depth design supports controlled penetration, while the alignment circle is intended to support accurate centration of the donor cornea during punching.

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