(12) United States Patent (10) Patent No.: US 9.237,842 B2 Lee Et Al
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US009237842B2 (12) United States Patent (10) Patent No.: US 9.237,842 B2 Lee et al. (45) Date of Patent: Jan. 19, 2016 (54) COMPUTERIZED REFRACTION AND (56) References Cited ASTIGMATISM DETERMINATION U.S. PATENT DOCUMENTS (71) Applicants: Steven P. Lee, Chicago, IL (US); Aaron 3,807,839 A 4/1974 Sugarman et al. Dalek, Chicago, IL (US) 4,257,690 A 3, 1981 Howland 4,529,280 A 7, 1985 Nohda (72) Inventors: Steven P. Lee, Chicago, IL (US); Aaron 4,541,697 A 9/1985 Remijan Dalek, Chicago, IL (US) (Continued) (73) Assignee: OPTERNATIVE, INC., Chicago, IL FOREIGN PATENT DOCUMENTS (US) WO 201312641.0 A1 8, 2013 (*) Notice: Subject to any disclaimer, the term of this WO 2013 1550O2 A1 10, 2013 patent is extended or adjusted under 35 U.S.C. 154(b) by 0 days. OTHER PUBLICATIONS (21) Appl. No.: 14/195.583 Prokerala, “Free Astigmatism Test Online Test for Astigmatism”. http://www.prokerala.com/health/eye-caref eye-test/astigmatism (22) Filed: Mar. 3, 2014 test.php, published 2012, accessed May 2015.* (65) Prior Publication Data (Continued) US 2014/0268060A1 Sep. 18, 2014 Primary Examiner — Mahidere Sahle Related U.S. Application Data (74) Attorney, Agent, or Firm — K&L Gates LLP (60) Provisional application No. 61/777,481, filed on Mar. 12, 2013, provisional application No. 61/864.328, filed on Aug. 9, 2013, provisional application No. (57) ABSTRACT 61/881,803, filed on Sep. 24, 2013, provisional The present disclosure relates generally to a system and application No. 61/913,774, filed on Dec. 9, 2013, method for determining the refractive error of a patient, more provisional application No. 61/923,894, filed on Jan. particularly determining the patient’s refractive error by 6, 2014. using a computerized screen, and providing the patient with a prescription for the patient’s preferred type of corrective (51) Int. C. lenses. The system and method do not require the trip or A6 IB3/02 (2006.01) expense of a doctor visit, and are optimized for convenience A6 IB3/036 (2006.01) and cost effectiveness. In a general embodiment, the present A6 IB3/00 (2006.01) disclosure provides a method for determining a corrective A6 IB 3/103 (2006.01) lenses prescription of a patient. The method includes, sepa (52) U.S. C. rately, for each eye of the patient, determining the astigma CPC ............... A61B3/036 (2013.01); A61B3/0041 tism prescription of the patient via a computerized screen, and (2013.01); A61B3/103 (2013.01) determining the power of the corrective lenses prescription of (58) Field of Classification Search the patient via the computerized screen. USPC ................. 351/211, 222, 237,239, 241, 246; 600/558 See application file for complete search history. 20 Claims, 23 Drawing Sheets 22 you hays art stases of caract pressistia Rich: Eski: ai-ye CS: 288 - crystaway cl:rgias2&srctiasis of what is norekurry; US 9.237,842 B2 Page 2 References Cited 2013/0027668 A1* 1/2013 Pamplona et al. ............ 351,239 (56) 2013,0169929 A1* 7, 2013 Fateh .............. ... 351 (203 U.S. PATENT DOCUMENTS 2013/0201449 A1* 8, 2013 Walsh et al. .................. 351,206 OTHER PUBLICATIONS 4,607.923 A 8, 1986 Task et al. 4,611,893 A 9, 1986 Schrier International Search Report for International Patent Application No. 4,615,594 A 10, 1986 Task PCT/US 14/19944 mailed on Aug. 5, 2014. 5,436,681 A 7, 1995 Michaels Ho, Connie K. “National Healthy Vision Month—ZEISS Online 5,675.399 A 10, 1997 Kohayakawa Vision Screening Check”, retrieved on Jul. 6, 2014 Published May 5,914,772 A 6, 1999 Dyer 7, 2012. Retrieved from the internet: <http://ww.N. redorbit.com/ 5,929,972 A 7, 1999 Hutchinson news/health/11 12536966/national-healthy-vision-month-Zeiss 5.997,142 A 12, 1999 Nakagawa online-vision-screening-checkii V1 to HVHGOzKBJhvi.99>. 6,386,707 B1 5, 2002 Pellicano The Eye Diseases Prevalence Research Group, “The Prevalence of 6,592,223 B1 T/2003 Stern et al. Refractive Errors Among Adults in the United States, Western 6,742,895 B2 6, 2004 Robin Europe, and Australia', pp. 495-505, p. 1314, Arch Ophthalmol/vol. 7,232,220 B2 6, 2007 Franz et al. 122, Apr. 2004. www..Archophthalmo.com, 2004 American Medical B2 9, 2007 Toshima et al. Association. 7,267,439 From Wikipedia, The Free Encyclopedia, “MITNETRA”, pp. 1-2, 7,350,921 B2 * 4, 2008 Ridings .............. 351,237 http://en.wikipedia.org/wiki/MIT NETRA, first published Jan. 14. B2* 5, 2008 Maddalena et al. 351,237 7,367,675 2012, and accessed from the internet on Apr. 11, 2014. 7,384,146 B2 6, 2008 Covannon et al. Carl Zeiss Meditec AG, “Visuref 100 from Zeiss Autorefractor/ 7,396,128 B2 T/2008 Feher et al. Keratometer PremiumVision Starts With Premium Diagnostics', pp. 7,429,109 B2 9, 2008 Toshima et al. 1-4. www.meditec.Zeiss.com/visurefl00. http://applications/Zeiss. 8,083,353 B2 12, 2011 Hytowitz com, published 2013, and accessed from the internet on Apr. 11, 2005/007 3648 A1 4, 2005 Toshima et al. 2014. 2006, 00231.63 A1 2, 2006 Foster Reichert, Inc., “RK600 AutoRefractor/Keratometer User's Guide.” 2006/02O3195 A1 9, 2006 Squire et al. Reichert Opthalmic Instruments, pp. 1-28, www.reichertoi.com, 2008/030988O A1 12, 2008 Fisher et al. Reichert, Inc. Depew, NY, USA, published 2005 and accessed from 2010, OO30570 A1* 2, 2010 Kratzer et al. 705/2 the internet on Apr. 11, 2014. 2010/0265463 A1* 10, 2010 Lai ..................... 351,237 2011/0001924 A1 1, 2011 Giraudet et al. * cited by examiner U.S. Patent Jan. 19, 2016 Sheet 1 of 23 US 9.237,842 B2 Display on a computerized screer a fiable form for a patient to make at east one input of a prior glasses or contacts pescription, contacts as and fare, 3rd for COrtacts far facturer Receive an inpui of a prior gasses of contacts Receive an input that a O4 prescription, Contacts brand patient does not have the - O6 rairie, arid of Contacts requested data rartufacture? Cisplay of the computerized screer a query to the patient egarding - 8 whether they are nearsighted of farsighted Receive an input from the patieri regarding whether they are fearsighted - 0 or farsighted For each eye of the patient, display on the computerized screen a first g diagrain Receive an input from the 114 patient, wherein the input Cofresponds to an axis reas reinert for a astigatist Receive an input from the y patient, whereir; the input 2O 16 Display on the Coirputerized indicates that they dot screen a second diagram have an astigmatism in that t eye Receive an input from the 18 patient, wherein the irput Correspoids to a cylifde: feaSieteti U.S. Patent Jan. 19, 2016 Sheet 2 of 23 US 9.237,842 B2 For each eye of the patient, display of the computerized screen a first i-122 figure, wherein the first figure is too small to be clearly seen by the patient Receive at east one input from a patient to increase the size of the first figure until it can be clearly seen by the patient, - 24 wherein the at east one input corresponds to a first sphere reasureer Display on the computerized screen a second figure, wherein the second figure is too large enough to be clearly seen by the 26 patient Receive at east one input from a patient to increase the size 28 of the first figure until it can be clearly seen by the patient, e wherein the at east one input corresponds to a first sphere reaSieneri Average the first sphere measurement and the second sphere measurement to determine a final sphere measurement Display of the Computerized screen a query to the patient regarding i- 32 whether they would like a glasses prescription, a contacts prescription, of st Display pricing information to the patient, and enable them to select method of payment and to provide payment information Receive at east one input from the patient regarding their desired frethod -138 of payment and their payment information Provide requested prescription -140 FG. 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