ESSTECH MULTI ASPHERIC (MULTIFOCAL) (HIOXIFILCON B) SOFT (HYDROPHILIC) CONTACT LENS

K982904 · Les Laboratoires Blanchard · LPL · Sep 1, 1998 · Ophthalmic

Device Facts

• Record ID: K982904
• Device Name: ESSTECH MULTI ASPHERIC (MULTIFOCAL) (HIOXIFILCON B) SOFT (HYDROPHILIC) CONTACT LENS
• Applicant: Les Laboratoires Blanchard
• Product Code: LPL · Ophthalmic
• Decision Date: Sep 1, 1998
• Decision: SESE
• Submission Type: Traditional
• Regulation: 21 CFR 886.5925
• Device Class: Class 2

Intended Use

The ESSTECH® MULTI Aspheric (multifocal) (hioxifilcon B) Soft (hydrophilic) Contact Lens is indicated for daily wear for the correction of refractive ametropia (myopia, hyperopia and/or presbyopia) in not-aphakic persons with non-diseased eyes. The lens may be worn by persons who may exhibit astigmatism of 1.50 diopters or less that does not interfere with visual acuity. The lens may be disinfected using either heat (thermal) or chemical (not heat) disinfection systems.

Device Story

Flexible, transparent, hydrophilic soft contact lens; hioxifilcon B material; aspheric front surface design. Provides reading power in central area (2.00 diopter near addition equivalent) with progressive power change for intermediate and distance vision. Used by patients for daily wear to correct refractive ametropia. Prescribed by eye care professionals. Lens provides visual acuity correction for presbyopic patients; benefits include improved near, intermediate, and distance vision in a single lens.

Clinical Evidence

No clinical data provided in this submission. Reliance on clinical information contained in predicate K964528. Bench testing included manufacturing 10 lenses to prescription, which were verified by the clinician to meet standards.

Technological Characteristics

Material: hioxifilcon B (hydrophilic co-polymer of glycerol methacrylate and 2-hydroxyethyl methacrylate, crosslinked with ethylene glycol dimethacrylate). Water content: 48% by weight. Refractive index: 1.404 (hydrated). Oxygen permeability: 15 (cm²/sec)(ml O₂/ml x mmHg@35°C). Design: Aspheric front surface, spherical back curve. Sterilization: Identical to P910029/S1.

Indications for Use

Indicated for daily wear correction of myopia, hyperopia, and/or presbyopia in non-aphakic patients with non-diseased eyes. Suitable for patients with astigmatism ≤ 1.50 diopters.

Regulatory Classification

Identification

A soft (hydrophilic) contact lens is a device intended to be worn directly against the cornea and adjacent limbal and scleral areas of the eye to correct vision conditions or act as a therapeutic bandage. The device is made of various polymer materials the main polymer molecules of which absorb or attract a certain volume (percentage) of water.

Predicate Devices

• BENZ-G 3X Sphere & Toric (K964528)
• ESSTECH® PS Aspheric (polymacon) Soft (hydrophilic) Contact Lens (P910029/S1)

Submission Summary (Full Text)

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SEP 1 1998

K 982904

| SUMMARY | |
|-------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| ESSTECH® MULTI Aspheric (multifocal) | |
| (hioxifilcon B) Soft (hydrophilic) Contact Lens | |
| 1. Submitted by: | Les Laboratoires Blanchard<br>Lentilles De Contact<br>1552, rue King ouest, suite 200<br>Sherbrooke, QC J1J 2C3<br>Canada |
| Contact:<br>Official agent | John M. Szabocsik, Ph.D.<br>Szabocsik and Associates<br>203 N. Wabash, Ste 1200<br>Chicago, IL 60601<br>[phone] |
| 2. Date prepared: | August 3, 1998 |
| 3. Device:<br>Common Name | ESSTECH® MULTI Aspheric (multifocal)<br>(hioxifilcon B) Soft (hydrophilic)<br>Contact Lens |
| Trade Name | ESSTECH® MULTI Aspheric (multifocal)<br>(hioxifilcon B) Soft (hydrophilic)<br>Contact Lens |
| 4. Classification | Class II (Performance Standards)<br>21 CFR 886.5925, 86LPL<br>Lenses, Soft Contact, Daily Wear |
| 5. Substantial<br>equivalence | This lens is made in hioxifilcon B, the<br>same material as cited in K964528 (Mar<br>10, 1997) and is identical in design to<br>the ESSTECH® PS Aspheric (polymacon)<br>Soft (hydrophilic) Contact Lens,<br>P910029/S1 (June 29, 1993). |
| 6. Device<br>description | The ESSTECH® MULTI Aspheric (multifocal)<br>(hioxifilcon B) Soft (hydrophilic)<br>Contact Lens is available as a lens with<br>an aspheric front surface for the<br>correction of visual acuity in<br>presbyopic persons who are myopic or<br>hyperopic. The lens is constructed to<br>provide optimum edge thickness and<br>contour, with the central area providing<br>the reading power in the equivalent of a<br>2.00 diopter near addition. The<br>aspheric front curve undergoes a<br>progressive power change, resulting in<br>intermediate and distance power outward<br>from the center. The lens is a flexible<br>transparent shell of the following dimensions: |

dimensions :

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## K982904, Esstech® Multi

Chord diameter: Baber: steps)

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Comments of the comments of the comments of the country of the country of the first of the first of the first of the first of the first of the first of the first of the first

The lens material, hioxifilcon B, is a hydrophilic co-polymer of glycerol methacrylate (GMA) and 2-hydroxyethyl methacrylate (2-Hema), crosslinked with ethylene glycol dimethacrylate. The lens is swollen to equilibrium state in sterile buffered saline solution, and contains 48% water by weight when fully ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

7. Indications for Use

The ESSTECH® MULTI Aspheric (multifocal) (hioxifilcon B) Soft (hydrophilic) Contact Lens is indicated for daily wear for the correction of refractive ametropia (myopia, hyperopia and/or presbyopia) in not-aphakic persons with non-diseased eyes. The lens may be worn by persons who may exhibit astigmatism of 1.50 diopters or less that does not interfere with visual acuity.

The lens may be disinfected using either heat (thermal) or chemical (not heat) disinfection systems.

8. Comparison to predicate device: see following table SUBSTANTIAL EQUIVALENCE

| Material | BENZ-G 3X Sphere &<br>Toric (K964528)<br>hioxifilcon B | Esstech® Multi<br>Asphere (K982904)<br>hioxifilcon B |
|----------------------------|---------------------------------------------------------------------------------|---------------------------------------------------------------------|
| Refractive index | 1.404, hydrated | 1.404, hydrated |
| Light<br>transmittance | >95% clear<br>>95% blue tint | >95% clear<br>>95% blue tint |
| Surface<br>characteristics | hydrophilic,<br>hemispherical<br>shell; toric lens<br>has a toric base<br>curve | hydrophilic,<br>spherical back<br>curve, aspheric<br>front curve |
| Water content | 48% by weight in<br>normal buffered<br>saline | 48% by weight in<br>normal buffered<br>saline |
| Oxygen<br>permeability | 15 (cm²/sec) (ml O₂<br>/ml x mmHg@35°C)<br>(revised Fatt<br>method) | 15 (cm²/sec) (ml O₂<br>/ml x mmHg@35°C)<br>(revised Fatt<br>method) |

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#### K982904, Esstech® Multi

# 9. Chemistry and Manufacturing

This lens is made in hioxifilcon B, the same material as cited in K964528 (Mar 10, 1997) and is identical in design to the ESSTECH® PS Aspheric (polymacon) Soft (hydrophilic) Contact Lens, P910029/S1 (June 29, 1993). Contained in this submission are references to K964528 and MAF-816 for the manufacture of the lens material, to P910029/S1 for the manufacture, packaging and sterilization of the lens, a report of the manufacture of 10 lenses to prescription, and draft labeling.

Ten (10) ESSTECH® MULTI Aspheric (multifocal) (hioxifilcon B) Soft (hydrophilic) Contact Lenses were manufactured according to prescription, and shown to be within acceptable standards by the ordering clinician. The report is attached.

## 10. Toxicology

All toxicology is contained in K964528.

- 11. Microbiology
Lens manufacturing, packaging and sterilization are identical to the manufacturing, packaging and sterilization described for the ESSTECH® PS Aspheric approved in PMA P910029,S1, therefore sterilization validation is not required.

12. Clinical Studies

All clinical information is contained in K964528.

- 13. Shelf-Life
- l year, as established in K964528.

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Image /page/3/Picture/1 description: The image shows the logo for the U.S. Department of Health & Human Services. The logo is circular and contains the department's name around the perimeter. In the center of the logo is an abstract symbol that resembles an eagle or bird in flight, composed of three curved lines.

Food and Drug Administration 9200 Corporate Boulevard Rockville MD 20850

SEP 1 1998

Les Laboratories Blachard c/o John M. Szabocsik, Ph.D. SZABOCSIK AND ASSOCIATES 203 North Wabash Avenue Suite 1200 Chicago, IL 60601

Re: K982904

Trade Name: ESSTECH ® MULTI Aspheric (multifocal) (hioxifilcon B) Soft (hydrophilic) Contact Lens (clear and blue visibility tint, lathe-cut) Regulatory Class: II Product Code: 86 LPL Dated: August 14, 1998 Received: August 18, 1998

Dear Dr. Szabocsik:

We have reviewed your Section 510(k) notification of intent to market the device referenced above and we have determined the device is substantially equivalent (for the indications for use stated in the enclosure) to devices marketed in interstate commerce prior to May 28, 1976, the enactment date of the Medical Device Amendments, or to devices that have been reclassified in accordance with the provisions of the Federal Food, Drug, and Cosmetic Act (Act). You may, therefore, market the device, subject to the general controls provisions of the Act. The general controls provisions of the Act include requirements for annual registration, listing of devices, good manufacturing practice, labeling, and prohibitions against misbranding and adulteration.

If your device is classified (see above) into either class II (Special Controls) or class III (Premarket Approval), it may be subject to such additional controls. Existing major regulations affecting your device can be found in the Code of Federal Regulations, Title 21, Parts 800 to 895. A substantially equivalent determination assumes compliance with the current Good Manufacturing Practice requirements, as set forth in the Quality System Regulation (QS) for Medical Devices: General regulation (21 CFR Part 820) and that, through periodic (QS) inspections, the Food and Drug Administration (FDA) will verify such assumptions. Failure to comply with the GMP regulation may result in regulatory action. In addition, FDA may publish further announcements concerning your device in the Federal Register. Please note: this response to your premarket notification submission does not affect any obligation you might have under sections 531 through 542 of the Act for devices under the Electronic Product Radiation Control provisions, or other Federal laws or regulations .

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Page 2 - Dr. John M. Szabocsik, Ph.D.

This letter will allow you to begin marketing your device as described in your 510(k) premarket notification. The FDA finding of substantial equivalence of your device to a legally marketed predicate device results in a classification for your device and thus, permits your device to proceed to the market.

If you desire specific advice for your device on our labeling regulation (21 CFR Part 801 and additionally 809.10 for in vitro diagnostic devices), please contact the Office of Compliance at [phone]. Additionally, for questions on the promotion and advertising of your device, please contact the Office of Compliance at [phone]. Also, please note the regulation entitled, "Misbranding by reference to premarket notification" (21 CFR 807.97). Other general information on your responsibilities under the Act may be obtained from the Division of Small Manufacturers Assistance at its toll-free number [phone] or [phone] or at its internet address "http://www.fda.gov/cdrh/dsmamain.html".

Sincerely yours,

A. Roerl. lorentthal

A. Ralph Rosenthal, M.D. Director Division of Ophthalmic Devices Office of Device Evaluation Center for Devices and Radiological Health

Enclosure

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Esstech® MultiRev, Pg 5

August 26, 1998

## 510 (k) NUMBER (IF KNOWN)

11982904

Page 1 of 1

ESSTECH® MULTI Aspheric (multifocal) DEVICE NAME (hioxifilcon B) Soft (hydrophilic) Contact Lens

## INDICATIONS FOR USE

The ESSTECH® MULTI Aspheric (multifocal) (hioxifilcon B) Soft (hydrophilic) Contact Lens is indicated for daily wear for the correction of refractive ametropia (myopia, hyperopia and/or presbyopia) in not-aphakic persons with non-diseased The lens may be worn by persons who may exhibit eyes. astigmatism of 1.50 diopters or less that does not interfere with visual acuity.

The lens may be disinfected using either heat (thermal) or chemical (not heat) disinfection systems.

(PLEASE DO NOT WRITE BELOW THIS LINE - CONTINUE ON ANOTHER PAGE IF NEEDED)

Concurrence of CDRH, Office of Device Evaluation (ODE)

OR

A Prescription Üse (Per 21 CFR 801.109)

Over-The-Counter-Use (Optional Format 1-2-96)

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(Division Sign-Off)
Division of Ophthalmic Devices

510(k) Number_K 982904