Ivan G. Castillo, MD


Areas of Focus  |  Vitreoretinal Surgery, Medical Retina


Office Locations  |  Waco


Certification  |  American Board of Ophthalmology


Languages Spoken  |  English, Spanish

“My motto is ‘Let’s stamp out blindness.’ By listening and using proper diagnostic tools to correctly diagnose my patients’ illnesses, I identify the most appropriate treatment in order to achieve the best possible results.”

Fellowship


Vitreoretinal Surgery
Retina and Vitreous of Texas
Houston, Texas

Research – Glaucoma
Virginia Commonwealth University School of Medicine
Richmond, Virginia

Residency


Ophthalmology
Virginia Commonwealth University College of Medicine

Richmond, Virginia

Internship


Graduate Hospital
Philadelphia, Pennsylvania

Medical School


Nueva Granada Military Hospital – School of Medicine and Health Sciences
Bogota, Colombia

  • American Academy of Ophthalmology
  • Fellow, American Society of Retina Specialists
  • Texas Medical Association
  • McLennan County Medical Society
  • Oltmanns MH, Samudre SS, Castillo IG, et al. Topical WIN55212-2 Alleviates Intraocular Hypertension in Rats through a CB1 Receptor-Mediated Mechanism of Action. Ocul.Pharmacol.Ther. 1-17-2008.
  • Calle CA, Castillo IG, Daza MT, Eagle RC. Oncocytoma of the Lacrimal Gland. Case Report and Review of the L Orbit. 2006 Sep;25(3):243-7.
  • Castillo IG, Schwartz SG, Huang C. Metastatic Sclerochoroidal Calcification: Case Report. Vision Pan-America 2005 4 (4) 7-9
  • Schwartz SG, Puckett BJ, Allen RC, Castillo IG, Leffler CT. Beta1-adrenergic Receptor Polymorphisms and Clinical Efficacy of Betaxolol Hydrochloride in Normal Volunteers. Ophthalmology 2005; 112(12):2131-6.
  • Carrasco JR, Castillo I, Bilyk JR, Pribitkin EA, Savino PJ. Incidence of Infraorbital Hypesthesia and Sinusitis after Orbital Decompression for Thyroid-related Orbitopathy: A Comparison of Surgical T Ophthal.Plast.Reconstr.Surg. 2005;21(3):188-91.
  • Castillo IG, Reinecke RD, Sergott RC, Wizov S. Surgical Treatment of Trauma-induced Periodic Alternating Nystagmus. Ophthalmology 2004;111(1):180-3.
  • Nagra PK, Foroozan R, Savino PJ, Castillo I, Sergott RC. Amiodarone Induced Optic Neuropathy. J.Ophthalmol. 2003;87(4):420-2.
  • Castillo IG, Foroozan R, Sergott RC. A Sticky S Surv.Ophthalmol. 2002;47(5):491-9.
  • Castillo IG, Savino PJ, Danesh-Meyer HV, Reinecke RD. Unilateral Acquired Upper Eyelid Ptosis and Decreasing Nystagmus. J.Ophthalmol. 2002;134(3):439-42.
  • Castillo IG, Mahmood, MA, Leffler CT, Geraymovych E. Prevalence of Glaucoma and Glaucoma Suspect Status with Patients in Sleep Studies. Presented as poster # P-208 at the ASCRS 2007 meeting April 27-May 2, 2007.
  • Castillo IG, Mahmood MA, Leffler CT. Prevalence of Glaucoma in Patients Undergoing Sleep Studies. Presented as paper at the Residents’ Research and Alumni day. Richmond Eye and Ear Surgical Specialty Center June 16, 2006.
  • Castillo IG, Samudre SS, Williams PB, Martin BR, Hosseini A, Lattanzio, FA Jr. Novel Endocannabinoids Confer Neuroprotection in NMDA Rat Model. Presented as paper at the Residents’ Research and Alumni day. Richmond Eye and Ear Surgical Specialty Center June 16, 2006.
  • Oltmanns MH, Samudre SS, Lattanzio FA, Jr., Allen RA, Martin BR, Castillo, IG. Comparison of Systemic and IOP Effects With Intravenous or Topical WIN 55-212-2. Presented as poster 401/B59 ARVO Annual Meeting, Ft. Lauderdale, FL, Apr 30, 2006.
  • Samudre SS, Williams PB, Martin BR, Castillo IG, Hosseini A, Lattanzio, FA Jr. Novel Endocannabinoids Confer Neuroprotection in NMDA Rat Model. Presented as poster ARVO Annual Meeting, Ft. Lauderdale, FL, May 1, 2006.
  • Castillo IG, Shields JA, Shields CL, Perez, N. Multiple Endocrine Neoplasia type IIB Case Report. Presented as paper at the Residents’ Research and Alumni day. Richmond Eye and Ear Surgical Specialty Center June 18, 2005.
  • Samudre SS, Tibbs D, Lattanzio FA, Jr1, Allen RC, Castillo IG, Loose-Thurman P, Crouch, ER Jr. Chronic Application of Topical WIN 55-212-2 in a Rat Glaucoma Model. Presented as poster 3784/B142 ARVO Annual Meeting, Ft. Lauderdale, FL, May 04, 2005.
  • Castillo IG, Schwartz SG, Puckett BJ, Allen RC, Leffler CT. Beta-1 adrenergic receptor polymorphisms and response to ophthalmic betaxolol in normal subjects. Presented as paper at the Residents’ Research and Alumni day. Richmond Eye and Ear Surgical Specialty Center June 18, 2004.
  • Castillo IG, Schwartz SG, Huang C. Sclerochoroidal calcification. Presented as paper at the Residents’ Research and Alumni day. Richmond Eye and Ear Surgical Specialty Center June 18, 2004.
  • Vitals Patients’ Choice Award (2012, 2013) – Patients’ Choice recognition reflects the difference a particular physician has made in the lives of his/her patients. The honor is bestowed to physicians who have received near perfect scores, as voted by patients.
  • Vitals On-Time Doctor Award (2014, 2016) – Vitals On-Time + Promptness Award recognizes doctors with consistent high ratings for timeliness of appointments. The honor is granted based on a physician’s overall and promptness scores.
  • Vitals Compassionate Doctor Recognition (2011, 2012, 2013, 2014) – Compassionate Doctor certification is granted to physicians who treat their patients with the utmost kindness. The honor is granted based on a physician’s overall and bedside manner scores.