| University of Alabama at Birmingham | Birmingham | Alabama | 35233 | - |
| Mayo Clinic - Arizona | Scottsdale | Arizona | 85259 | - |
| University of Arkansas for Medical Sciences | Little Rock | Arkansas | 72205 | - |
| Scripps Clinic | La Jolla | California | 92037 | - |
| Loma Linda University Eye Institute | Loma Linda | California | 92354 | - |
| Jules Stein Eye Clinic - UCLA | Los Angeles | California | 90095 | - |
| Byers Eye Institute at Stanford University | Palo Alto | California | 94303 | - |
| UCSF- Francis I. Proctor Foundation | San Francisco | California | 94131 | - |
| Pacific Eye Surgeons, Inc. | San Luis Obispo | California | 93401 | - |
| University of Colorado | Aurora | Colorado | 80045 | - |
| Colorado Cornea Consultants P.C. | Littleton | Colorado | 80120 | - |
| Medstar Georgetown University Hospital | Washington D.C. | District of Columbia | 20007 | - |
| Delray Eye Associates, PA | Delray Beach | Florida | 33484 | - |
| University of Florida | Gainesville | Florida | 32610 | - |
| Florida Eye Specialists | Jacksonville | Florida | 33204 | - |
| University of Miami - Bascom Palmer Eye Institute | Miami | Florida | 33136 | - |
| Eye Consultants of Atlanta, PC | Atlanta | Georgia | 30339 | - |
| University of Illinois | Chicago | Illinois | 60612 | - |
| NorthShore University Health System | Glenview | Illinois | 60026 | - |
| Case Western Reserve University | Cleveland | Indiana | 44106 | - |
| Indiana University - Glick Eye Institute | Indianapolis | Indiana | 46202 | - |
| University of Kansas Medical Center | Prairie Village | Kansas | 66208 | - |
| University of Kentucky | Lexington | Kentucky | 40509 | - |
| LSU Health Science Center | New Orleans | Louisiana | 70112 | - |
| Shreveport Eye Clinic | Shreveport | Louisiana | 71106 | - |
| The Krieger Eye Institute | Baltimore | Maryland | 21215 | - |
| University of Maryland | Baltimore | Maryland | 21201 | - |
| Wilmer Eye Institute John Hopkins | Bethesda | Maryland | 20817 | - |
| Crossroads Eye Physician | Owings Mills | Maryland | 21117 | - |
| Boston Medical Center | Boston | Massachusetts | 02118 | - |
| Massachusetts Eye and Ear Infirmary | Boston | Massachusetts | 02114 | - |
| Tufts Medical Center | Boston | Massachusetts | 02111 | - |
| Lahey Medical Center | Peabody | Massachusetts | 01960 | - |
| Eye Health Services | Weymouth | Massachusetts | 02189 | - |
| University of Michigan | Ann Arbor | Michigan | 48105 | - |
| Verdier Eye Center | Grand Rapids | Michigan | 49546 | - |
| Northwest Eye Clinic | Golden Valley | Minnesota | 55427 | - |
| Jennifer Burdick | Minnetonka | Minnesota | 55305 | - |
| Mayo Clinic | Rochester | Minnesota | 55905 | - |
| Washington University Opthalmology | St Louis | Missouri | 63110 | - |
| Dartmouth Hitchcock Medical Center | Lebanon | New Hampshire | 03756 | - |
| EyeCare MD of NJ | Morristown | New Jersey | 07960 | - |
| Albany Stratton VA Medical Center | Albany | New York | 12208 | - |
| Finger Lakes Ophthalmology /The Eye Care Center | Canandaigua | New York | 14424 | - |
| Stony Brook Ophthalmology | East Setauket | New York | 11733 | - |
| Northwell Health | Great Neck | New York | 11021 | - |
| New York Eye and Ear Infirmary | New York | New York | 10003 | - |
| NYU Langone Health | New York | New York | 10016 | - |
| Weill Cornell Ophthalmology | New York | New York | 10021 | - |
| Duke University | Durham | North Carolina | 27710 | - |
| Cincinnati Eye Institute | Cincinnati | Ohio | 45242 | - |
| Case Western Reserve University | Cleveland | Ohio | 44106 | - |
| Casey Eye Institute - Oregon Health and Science University | Portland | Oregon | 97239 | - |
| Devers Eye Institute | Portland | Oregon | 97210 | - |
| Vantage Eye Care Center, LLC | Bala-Cynwyd | Pennsylvania | 19004 | - |
| Geisinger Eye Clinic | Danville | Pennsylvania | 17822 | - |
| Corneal Associates at Wills Eye Hospital | Philadelphia | Pennsylvania | 19107 | - |
| University of Pennsylvania | Philadelphia | Pennsylvania | 19104 | - |
| University of Tennessee - Hamilton Eye Institute | Memphis | Tennessee | 38163 | - |
| Cornea and Cataract Consultants of Nashville | Nashville | Tennessee | 37203 | - |
| Vanderbilt Eye Institute | Nashville | Tennessee | 37232 | - |
| Cornea Associates of Texas | Dallas | Texas | 75231 | - |
| University of Texas Southwestern | Dallas | Texas | 75390 | - |
| Cornea Consultants of Texas | Fort Worth | Texas | 76107 | - |
| Alkek Eye Center - Baylor College of Medicine | Houston | Texas | 77030 | - |
| R and R Eye Research, LLC | San Antonio | Texas | 78229 | - |
| University of Utah - Moran Eye Center | Salt Lake City | Utah | 84132 | - |
| Virginia Eye Institute | Richmond | Virginia | 23226 | - |
| NY Eye Surgeons | Seattle | Washington | 98133 | - |
| Virginia Mason Medical Center | Seattle | Washington | 98101 | - |
| University of Wisconsin - Madison | Madison | Wisconsin | 53705 | - |