This document is a 510(k) premarket notification from the FDA regarding the "Contact Laser & Diagnostic Lenses" by Volk Optical, Inc. It determines that the device is substantially equivalent to legally marketed predicate devices.

However, the provided text does not contain any information regarding acceptance criteria, device performance, study details, sample sizes, expert qualifications, adjudication methods, or ground truth establishment. The document is a regulatory approval notice, not a study report.

Therefore, I cannot provide the requested information from the given input.

Summary

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DEPARTMENT OF HEALTH & HUMAN SERVICES

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Food and Drug Administration 9200 Corporate Boulevard Rockville MD 20850

Volk Ontical, Inc. c/o Richard E. Lippman, O.D., F.A.A.O. R.P. Chiacchierini & Associates, LLC 15825 Shady Grove Road, Suite 30 Rockville, MD 20850

Re: K023221

Trade/Device Name: Contact Laser & Diagnostic Lenses Regulation Number: 21 CFR 886.1385 Regulation Name: Polymethylmethacrylate (PMMA) diagnostic contact lens Regulatory Class: Class II Product Code: HJK Dated: September 25, 2002 Received: September 27, 2002

Dear Dr. Lippman:

We have reviewed your Section 510(k) premarket notification of intent to market the device referenced above and have determined the device is substantially equivalent (for the indications for use stated in the enclosure) to legally marketed predicate 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) that do not require approval of a premarket approval application (PMA). 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 (PMA), 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 898. In addition, FDA may publish further announcements concerning your device in the Federal Register.

Please be advised that FDA's issuance of a substantial equivalence determination does not mean that FDA has made a determination that your device complies with other requirements of the Act or any Federal statutes and regulations administered by other Federal agencies. You must comply with all the Act's requirements, including, but not limited to: registration and listing (21 CFR Part 807); labeling (21 CFR Part 801); good manufacturing practice requirements as set forth in the quality systems (QS) regulation (21 CFR Part 820); and if applicable, the electronic product radiation control provisions (Sections 531-542 of the Act); 21 CFR 1000-1050.

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Page 2 - Richard E. Lippman, O.D., F.A.A.O.

This letter will allow you to begin marketing your device as described in your Section 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 21 CFR Part 809.10 for in vitro diagnostic devices), please contact the Office of Compliance at (301) 594-4613. Additionally, for questions on the promotion and advertising of your device, please contact the Office of Compliance at (301) 594-4639. Also, please note the regulation entitled, "Misbranding by reference to premarket notification" (21CFR Part 807.97), Other general information on your responsibilities under the Act may be obtained from the Division of Small Manufacturers, International and Consumer Assistance at its toll-free number (800) 638-2041 or (301) 443-6597 or at its Internet address . http://www.fda.gov/cdrh/dsma/dsmamain.html

Sincerely yours,

A. Ralph Rosenthal

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

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Indications Statement

K023221 510(k) Number (if known)

Device Name: Contact Laser & Diagnostic Lenses

Indications for Use:

The device is indicated for use as a diagnostic contact lens for eye fundus examinations and use in the therapy of intraocular abnormalities.

Additional Claims:

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

Concurrence of CDRH, Office of Device Evaluation (ODE)

Presription Use

Over -The-Counter Use ________________________________________________________________________________________________________________________________________________________

(Oprtional Format 1-2-96)

Daniel W. C. Brown, Ph.D.
(Division Sign-Off)

Division of Ophthalmic Ear, Nose and Throat Devises

510(k) Number ________________________________________________________________________________________________________________________________________________________________

Regulation Number and Section

§ 886.1385 Polymethylmethacrylate (PMMA) diagnostic contact lens.

(a)
Identification. A polymethylmethacrylate (PMMA) diagnostic contact lens is a device that is a curved shell of PMMA intended to be applied for a short period of time directly on the globe or cornea of the eye for diagnosis or therapy of intraocular abnormalities.(b)
Classification. Class II.