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ASPHERIC SDOCT IMAGING SYSTEM FOR DRY EYE AND CORNEA DIAGNOSTICS

Award Number: R43EY022835
ORGANIZATION: NATIONAL EYE INSTITUTE
OPDIV: NIH
AWARD CLASS: DISCRETIONARY
AWARD ACTIVITY TYPE: SCIENTIFIC/HEALTH RESEARCH (INCLUDES SURVEYS)
PERIOD OF PERFORMANCE START DATE: 08/01/2012
PERIOD OF PERFORMANCE END DATE: 07/31/2013

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ASPHERIC SDOCT IMAGING SYSTEM FOR DRY EYE AND CORNEA DIAGNOSTICS - DESCRIPTION (provided by applicant): Dry Eye disease is an affliction that impacts as many much as 20% of the U.S. population over age 50, and is even more prevalent in the Asia Pacific. Dry eye therapies are currently a $1.7B market, growing at 10% annually. Treatment is primary palliative, involving warm compresses and eye drops. TearScience recently released LipiFlow to thermally improve meibomian gland function. Corneal dystrophies include disease and injury of the epithelium, stroma and endothelium. 2.5M Americans suffer from eye injury each year. There are 80,000 corneal transplants and grafts annually. Keratoconus affects 1 in 2000. 35M Americans wear contact lenses and approximately 3M Americans undergo some sort of refractive surgery each year. The contact lens industry is $3B retail industry, and investment in surgical procedures and devices for management of disease and for refractive correction continues to be strong. Yet with the prevalence of these outer anterior disease states, the capabilities of spectral domain optical coherence tomography have yet to define a role. The objective of this proposal is to develop an imaging handpiece that is more suited to clinically useful imaging of the cornea, the tear film, and the tissue ultrastructure of the inner eyelid, conjunctiva and sclera. The notable design objective is to provide optics suited to imaging curved surfaces with a wide field of view. In accomplishing this objective, there are three separable technical challenges: 1. Invert the scanned focal field to match the surface of the cornea; 2. Equalize the optical path lengths so that a spherical surface is imaged to a plane at constant image depth; 3. Introduce optical elements that allow such a design to be compact and cost effective. The anticipated outcome of the Phase I activities is a working prototype of an anterior segment scanner uniquely suited to imaging the outer anterior segment structures which will have been verified through bench testing and validated through small animal imaging. This work will pave the way to product development and commercialization of the outer anterior segment probe. That product will provide a new diagnostic tool to support the evaluation and treatment of glandular and muscular dysfunctions and dry eye disease. Additionally, the product will improve imaging of the cornea surface with significant potential to aid in the diagnosis and treatment of corneal dystrophies, keratoconus and wound healing with true limbus-to-limbus capabilities. Further, this product will offer a new view to the irido-corneal angle for assessment of narrow angle glaucoma. PUBLIC HEALTH RELEVANCE: Dry Eye disease is an affliction that impacts as many much as 20% of the U.S. population over age 50, 2.5M Americans suffer from eye injury each year, 35M Americans wear contact lenses, and approximately 3M Americans undergo some sort of refractive surgery each year. Spectral Domain Optical Coherence Tomography (SDOCT) is a technology that is used for imaging the eye to aid in diagnosis of some diseases of the eye, but it has yet to be tailored specifically to imaging the tear film, cornea, and other structures in th front of the eye that are associated with dry eye and refractive errors. Bioptigen is proposing the development of a new scanner for SDOCT systems that will enable high quality imaging of these structures and could greatly aid in research on these structures of the eye and in the diagnosis of diseases and treatment of injuries of the front of the eye.


Issue Date FY	Funding FY	Legal Entity Name	Legal Entity Address	Legal Entity City	Legal Entity State	Legal Entity Zip Code	Legal Entity COUNTY	Legal Entity COUNTRY	Assistance Listing	Award Code	Budget Year	Action Date	Action Type	Action Amount

Issue Date FY: 2012 ( Subtotal = $288,530 )
2012	2012	BIOPTIGEN INC	104 TW ALEXANDER DRIVE	RESEARCH TRIANGLE PARK	NC	27709	DURHAM	USA	Vision Research	000	1	7/31/2012	NEW	$288,530
														Subtotal = $288,530

Grand Total All Awards = $288,530

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ASPHERIC SDOCT IMAGING SYSTEM FOR DRY EYE AND CORNEA DIAGNOSTICS

Award Number: R43EY022835

ORGANIZATION: NATIONAL EYE INSTITUTE

OPDIV: NIH

AWARD CLASS: DISCRETIONARY

AWARD ACTIVITY TYPE: SCIENTIFIC/HEALTH RESEARCH (INCLUDES SURVEYS)

PERIOD OF PERFORMANCE START DATE: 08/01/2012

PERIOD OF PERFORMANCE END DATE: 07/31/2013

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