University of Iowa Health Care

Ophthalmology and Visual Sciences

Ryan Diel, MDRyan Diel, MD

Dr. Ryan Diel is a Resident at the University of Iowa Department of Ophthalmology & Visual Sciences. His projected graduation date is June 2022.


  • MD, University of Miami
  • BS, Biological Sciences, University of Nevada Las Vegas

EyeRounds Contribution

  1. Diel RJ, Scruggs BA, Sears NC. Bayoneting of vessels and bean-pot cupping in advanced glaucoma. posted June 24, 2019; available from
  2. Diel RJ, Ling JJ. Meesmann Epithelial Corneal Dystrophy. posted December 17, 2019; available from
  3. Diel RJ, Shriver EA. Lateral Canthal Tendon Disinsertion. posted December 30, 2019; available from
  4. Mortensen ZQ, Diel RJ, Johnson AT. Corneal and lenticular pigmentation from long-term chlorpromazine use. Posted January 2, 2020; Available from
  5. Diel RJ, Mortensen Z, Johnson AT. Branch Retinal Artery Occlusion (BRAO). Posted January 30, 2020; Available from
  6. Colwell L, Diel RJ, Benage M, Jiang L, Greiner MA, Ling JJ. Epithelial Downgrowth. Posted February 26, 2020; Available from
  7. Diel RJ, Greiner MA, Ling JJ. Epithelial Downgrowth. Posted February 27, 2020; Available from
  8. Diel RJ, Mortensen Z, Folk JC, Johnson AT. Symptomatic Branch Retinal Artery Occlusion: An Under-Recognized Sign of Stroke. Posted April 14, 2020; Available from
  9. Diel RJ, Stiff HA, Kwon YH, Haugsdal JM. Refractive changes in diabetes: not always what meets the eye. Posted April 14, 2020; Available from
  10. Shah TJ, Stiff HA, Diel RJ, Binkley EM. Choroidal Rupture with Choroidal Neovascularization. Posted June 10, 2020; Available from
  11. Yom KH, Diel RJ, Stiff HA, Johnson AT, Han IC. Paracentral Acute Middle Maculopathy (PAMM). Posted June 10, 2020; Available from:
  12. Diel RJ, Shah TJ, Kardon RH, Wall M. Myelin Oligodendrocyte Glycoprotein (MOG)-IgG Associated Optic Neuritis. September 17, 2020. Available from
  13. Diel RJ, Wole B, Tisdale A, Chung SM. Optic Disc Drusen. January 19, 2021. Available from (entry #2)
  14. Wole B, Diel RJ, Leal LA, Thurtell MJ. Optic Disc Drusen. January 26, 2021. Available from (entry #1)
  15. Yu CY, Diel RJ, Jiang L, Greiner MA. Chemical Eye Injuries: A Case Report and Tutorial. January 26, 2021. Available from
last updated: 2/23/2021
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