Vanguard Ophthalmology Society

Excellence in Ophthalmology

Promoting excellence and advancement of ophthalmology through a collaboration of future leaders in our field

mkahook's picture

Malik Kahook


University of Colorado Eye Center
1675 Aurora Ct
Aurora, CO 80045
Phone: 7208482500


  • Undergrad: University of Akron, Akron Ohio
  • Medical School: NEOMED, Rootstown, Ohio
  • Residency: University of Colorado, Denver, Colorado
  • Fellowship: UPMC, Pittsburgh, Pennsylvania

Awards and Honors


2006 American Glaucoma Society Patient Adherence Research Award

2007 American Glaucoma Society Clinician Scientist Research Award

2009 New Inventor of the Year Award. University of Colorado Denver

2010 Inventor of the Year Award.  University of Colorado Denver

2011 American Academy of Ophthalmology Achievement Award

Society Memberships

American Academy of Ophthalmology

American Glaucoma Society

American Society of Refractive and Cataract Surgeons,

Association for Research in Vision and Ophthalmology

Chandler Grant Society



  1. Kahook MY, May M. Traumatic total iridectomy post clear corneal cataract extraction. J Cataract Refract Surg. August 2005;31(8):1659-60.
  2. Kahook MY, Thomas J, Naresh N, Bateman JB.  Glycosylation type Ic disorder: idiopathic intracranial hypertension and retinal degeneration. Br J Ophthalmol. 2006 Jan;90(1):115-6.
  3. Durairaj VD, Hink EM, Kahook MY, Hawes MJ, Paniker PU, Esmaeli B. Mucinous eccrine adenocarcinoma of the periocular region. Ophthal Plast Reconstr Surg. 2006 Jan-Feb;22(1):30-5.
  4. Mandava N, Kahook MY, Mackenzie DL, Olson JL. Anterior scleral buckling procedure for cyclodialysis cleft with chronic hypotony. Ophthalmic Surg Lasers Imaging. 2006 Mar-Apr;37(2):151-3.
  5. Kahook MY, Schuman JS, Noecker RJ.  Needle bleb revision of encapsulated filtering bleb with bevacizumab. Ophthalmic Surg Lasers Imaging. 2006 Mar-Apr;37(2):148-50.
  6. Kahook MY, Schuman JS, Noecker RJ.  Intravitreal bevacizumab in a patient with neovascular glaucoma. Ophthalmic Surg Lasers Imaging. 2006 Mar-Apr;37(2):144-6.
  7. Kahook MY, Pantcheva MB, Schuman JS, Noecker RJ.  Location of glaucoma drainage devices relative to the optic nerve. Br J Ophthalmol. 2006 Aug;90(8):1010-3.
  8. Kahook MY, Schuman JS, Noecker RJ.  Trypan blue-assisted neodymium:YAG laser treatment for overfiltering bleb. J Cataract Refract Surg. 2006 Jul;32(7):1089-90.
  9. Kahook MY, Noecker RJ. Fibrin Glue Assisted Glaucoma Drainage Device Surgery.
    Br J Ophthalmol. 2006 Dec;90(12):1486-9. Epub 2006 Aug 17.
  10. Pantcheva MB, Kahook MY, Schuman JS, Noecker RJ. Comparison of acute structural and histopathological changes in human autopsy eyes after endoscopic cyclophotocoagulation and transscleral cyclophotocoagulation. Br J Ophthalmol. 2007 Feb;91(2):248-52. Epub 2006 Sep 20.
  11. Kahook MY, Awadallah NS, Noecker RJ. Travoprost 0.004%/timolol 0.5% fixed combination. Drugs Today (Barc). 2007 Feb;43(2):77-83.
  12. Kahook MY, Noecker RJ. Evaluation of adherence to morning versus evening glaucoma medication dosing regimens. Clin Ophthalmol. 2007 Mar;1(1):79-83.
  13. Kahook MY.  Developments in dosing aids and adherence devices for glaucoma therapy: Current and future perspectives. Expert Rev Med Devices. 2007 Mar;4(2):261-6.
  14. Cronin T, Kahook MY, Lathrop KL, Noecker RJ. Accuracy and performance of a commercially available Dosing Aid. Br J Ophthalmol. 2007 Apr;91(4):497-9.
  15. Kahook MY, Noecker RJ, Ishikawa H, Wollstein G, Duker JS, Fujimoto JG, Schuman JS. Peripapillary schisis in glaucoma patients with narrow angles and increased intraocular pressure. Am J Ophthalmol. 2007 Apr;143(4):697-9.
  16. Kahook MY, Schuman JS, Noecker RJ.  Endoscopic cyclophotocoagulation using iris hooks versus viscoelastic devices. Ophthalmic Surg Lasers Imaging. 2007 Mar-Apr;38(2):170-2.
  17. Pantcheva M, Kahook MY, Schuman JS, Rubin MW, Noecker RJ.  Comparison of acute structural and histopathological changes of the porcine ciliary processes after endoscopic cyclophotocoagulation and transscleral cyclophotocoagulation. Clin Experiment Ophthalmol. 2007 Apr;35(3):270-4.
  18. Kahook MY, Noecker RJ. One-site versus two-site endocyclophotocoagulation. J Glaucoma. 2007 Sep;16(6):527-30.
  19. Yu JY, Kahook MY, Lathrop KL, Noecker RJ. The effect of probe placement and type of viscoelastic material on endoscopic cyclophotocoagulation laser energy transmission. Ophthalmic Surg Lasers Imaging. 2008 Mar-Apr;39(2):133-6.
  20. Kahook MY, Noecker RJ. Comparison of Corneal and Conjunctival Changes After Dosing of Travoprost Preserved With sofZia, Latanoprost With 0.02% Benzalkonium Chloride, and Preservative-free Artificial Tears. Cornea. 2008 Apr;27(3):339-343.
  21. Noecker RJ, Kahook MY, Berke SJ, et al. Uncontrolled Intraocular Pressure After Endoscopic Cyclophotocoagulation. J Glaucoma. 2008 April/May;17(3):250-251.
  22. Kahook MY, Noecker RJ, Abdelghani WM, Schuman JS. Filtering bleb rupture after intravitreal triamcinolone acetonide injection. Ophthalmic Surg Lasers Imaging. 2008 May-Jun;39(3):232-3.
  23. Kahook MY, Noecker R. Quantitative analysis of conjunctival goblet cells after chronic application of topical drops. Adv Ther. 2008 Jul 31. [Epub ahead of print]
  24. Hendrick AM, Kahook MY. The Ex-PRESS Minishunt: Surgical technique and review of clinical experience. Expert Review of Medical Devices. Expert Rev Med Devices. 2008 Nov;5(6):673-677.
  25. Ho LY, Camejo L, Kahook MY, Noecker R. Effect of audible and visual reminders on adherence in glaucoma patients using a commercially available dosing aid. Clin Ophthalmol. 2008 Dec;2(4):769-72.
  26. Hazin R, Hendrick AM, Kahook MY. Primary Open Angle Glaucoma:  Diagnostic approach and Management. J Natl Med Assoc.  2009;101(1):46-50.
  27. Hazin R, Freeman PD, Kahook MY. Macular Degeneration:  Approaches and Management for the primary care physician. J Natl Med Assoc. 2009 Feb;101(2):134-8.
  28. Hazin R, Cadet JL, Kahook MY, Saed D.  Ocular complications of Crystal Methamphetamine Abuse. Neurotox Res. 2009 Feb;15(2):187-91. Epub 2009 Feb 28.
  29. Kahook MY, Camejo L, Noecker RJ. Trabeculectomy with intraoperative retrobulbar triamcinolone acetonide. Clin Ophthalmol. 2009;3:29-31. Epub 2009 Jun 2.
  30. Horsley MB, Kahook MY. Effects of prostaglandin analog therapy on the ocular surface of glaucoma patients. Clin Ophthalmol. 2009;3:291-5. Epub 2009 Jun 2.
  31. Kahook MY, Kimura AE, Wong LJ, Ammar DA, Maycotte MA, Mandava N. Sustained elevation in intraocular pressure associated with intravitreal bevacizumab injections. Ophthalmic Surg Lasers Imaging. 2009 May-Jun;40(3):293-5.
  32. Kahook MY. Glaucoma surgery: how do we get from here to there? Middle East Afr J Ophthalmol. 2009 Jul;16(3):105-6.
  33. Hendrick AM, Kahook MY, Daoud YJ, Hazin R. Ophthalmic manifestations of endocrine disorders: approaches and medical management. Curr Opin Ophthalmol. 2009 Nov;20(6):495-503.
  34. Ammar DA, Kahook MY. The Effects of Combination Glaucoma Medications on Ocular Surface Epithelial Cells. Adv Ther. 2009 Oct;26(10):970-5. Epub 2009 Nov 18.
  35. Horsley MB, Kahook MY. Anti-VEGF Therapy for Glaucoma. Curr Opin Ophthalmol. 2010 Mar;21(2):112-7.
  36. Freeman PD, Kahook MY, Curtis TH. Glaucoma Drainage Device Implantation in Pediatric Patients Using Fibrin Glue. J AAPOS. 2010 Apr;14(2):169-71.
  37. Ammar DA, Lei TC, Gibson EA, Kahook MY. Two-photon imaging of the trabecular meshwork. Mol Vis. 2010 May 29;16:935-944.
  38. Sniegowski M, Mandava N, Kahook MY. Sustained Intraocular Pressure Elevation after Intravitreal Injection of Bevacizumab and Ranibizumab Associated with Trabeculitis. Open Ophthalmol J. 2010 Jun 22;4:28-29.
  39. Kahook MY, Liu L, Ruzycki P, Mandava N, Carpenter JF, Petrash JM, Ammar DA. High-molecular-weight aggregates in repackaged bevacizumab. Retina. 2010 Jun;30(6):887-92.
  40. Good TJ, Kahook MY. The role of endothelin in the pathophysiology of glaucoma. Expert Opin Ther Targets. 2010 Jun;14(6):647-54.
  41. Kahook MY, Ammar DA. In Vitro Toxicity of Topical Ocular Prostaglandin Analogs and Preservatives on Corneal Epithelial Cells. J Ocul Pharmacol Ther. June 2010, 26(3): 259-263.
  42. Seibold LK, Rorrer RA, Kahook MY. MRI of the Ex-PRESS stainless steel glaucoma drainage device. Br J Ophthalmol. 2010 Jun 24. [Epub ahead of print]  
  43. Kahook MY, Ammar DA. In Vitro Effects of Anti-Vascular Endothelial Growth Factors on Cultured Human Trabecular Meshwork Cells. J Glaucoma. 2010 Sep;19(7):437-41.
  44. Kahook MY. Bleb Morphology and Vascularity After Trabeculectomy With Intravitreal Ranibizumab: A Pilot Study. Am J Ophthalmol. 2010 Sep;150(3):399-403.
  45. Cook PF, Bremer RW, Ayala AJ, Kahook MY. Feasibility of motivational interviewing delivered by a glaucoma educator to improve medication adherence. Clin Ophthalmol. 2010 Oct 5;4:1091-101.
  46. Horsley MB, Mandava N, Maycotte MA, Kahook MY. Retinal Nerve Fiber Layer Thickness in Patients Receiving Chronic Anti-Vascular Endothelial Growth Factor Therapy. Am J Ophthalmol. 2010 Oct;150(4):558-561.
  47. Pantcheva MB, Kahook MY. Ab Interno Trabeculectomy. Middle East Afr J Ophthalmol. 2010 Oct;17(4):287-9.
  48. Ammar DA, Noecker RJ, Kahook MY. Effects of benzalkonium chloride-preserved, polyquad-preserved, and sofZia-preserved topical glaucoma medications on human ocular epithelial cells. Adv Ther. 2010 Nov;27(11):837-45.
  49. McCourt E, Cadena BC, Barnett CJ, Ciardella AP, Mandava N, Kahook MY. Measurement of Sub-Foveal Choroidal Thickness Using Spectral-Domain Optical Coherence Tomography. Ophthalmic Surg Lasers Imaging. Ophthalmic Surg Lasers Imaging. 2010 Nov-Dec;41 Suppl:S28-33.
  50. Seibold LK, Mandava N, Kahook MY. Comparison of Retinal Nerve Fiber Layer Thickness in Normal Eyes Using Time-Domain and Spectral-Domain Optical Coherence Tomography. Am J Ophthalmol. 2010 Dec;150(6):807-81.
  51. Kahook MY, Horsley MB, Mandava N. Reply. Retinal Nerve Fiber Layer Thickness in Patients Receiving Chronic Anti-Vascular Endothelial Growth Factor Therapy. Am J Ophthalmol. 2011 Feb;151(2):384-5.
  52. Gibson EA, Masihzadeh O, Lei TC, Ammar DA, Kahook MY. Multiphoton Microscopy for Ophthalmic Imaging. J Ophthalmol. 2011;2011:870879. Epub 2011 Jan 3.
  53. Liu L, Ammar DA, Ross L, Mandava N, Kahook MY, Carpenter J. Silicone Oil Microdroplets and Protein Aggregates in Repackaged Bevacizumab and Ranibizumab: Effects of Long-term Storage and Product Mishandling. Invest Ophthalmol Vis Sci. 2011 Feb 22;52(2):1023-34.
  54. Good TJ, Kahook MY. Assessment of Bleb Morphologic Features and Postoperative Outcomes after Ex-PRESS Drainage Device Implantation versus Trabeculectomy. Am J Ophthalmol. 2011 Mar;151(3):507-513.e1. Epub 2011 Jan 13.
  55. Ammar DA, Lei TC, Masihzadeh O, Gibson EA, Kahook MY. Trans-scleral imaging of the human trabecular meshwork by two-photon microscopy. Mol Vis. 2011 Feb 24;17:583-90.
  56. Rojo-Arnao M, Albis-Donado OD, Lliteras-Cardin M, Kahook MY, Gil-Carrasco F. Adjunctive bevacizumab in patients undergoing ahmed valve implantation: a pilot study.Ophthalmic Surg Lasers Imaging. 2011 Mar-Apr;42(3):132-7.
  57. Johnson AW, Ammar DA, Kahook MY. Two-Photon Imaging of the Mouse Eye. Invest Ophthalmol Vis Sci. 2011 Mar 29. E-Pub Ahead of Print.
  58. Ammar DA, Noecker RJ, Kahook MY. Effects of benzalkonium chloride- and polyquad-preserved combination glaucoma medications on cultured human ocular surface cells. Adv Ther. 2011 May 16.
  59. Ammar DA, Kahook MY. Effects of glaucoma medications and preservatives on cultured human trabecular meshwork and non-pigmented ciliary epithelial cell lines. Br J Ophthalmol. 2011 May 20.
  60. Ammar DA, Kahook MY. Effects of benzalkonium chloride- or polyquad-preserved fixed combination glaucoma medications on human trabecular meshwork cells. Mol Vis. 2011;17:1806-13.
  61. Good TJ, Kimura AE, Mandava N, Kahook MY. Sustained elevation of intraocular pressure after intravitreal injections of anti-VEGF agents. Br J Ophthalmol. 2011 Aug;95(8):1111-4.
  62. Pantcheva MB, Seibold LK, Awadallah NS, Kahook MY. Tafluprost: a novel prostaglandin analog for treatment of glaucoma. Adv Ther. 2011 Aug 18.
  63. Masihzadeh O, Ammar DA, Lei TC, Gibson EA, Kahook MY. Real-time measurements of nicotinamide adenine dinucleotide in live human trabecular meshwork cells: Effects of acute oxidative stress.Exp Eye Res. 2011 Sep;93(3):316-20.
  64. Lei TC, Ammar DA, Masihzadeh O, Gibson EA, Kahook MY. Label-free imaging of trabecular meshwork cells using Coherent Anti-Stokes Raman Scattering (CARS) microscopy. Mol Vis. 2011;17:2628-33. Epub 2011 Oct 8.
  65. Kahook MY, Fechtner RD, Katz LJ, Noecker RJ, Ammar DA. A Comparison of Active Ingredients and Preservatives Between Brand Name and Generic Topical Glaucoma Medications Using Liquid Chromatography-Tandem Mass Spectrometry. Curr Eye Res. 2011 Oct 31.
  66. Rolando M, Crider JY, Kahook MY. Ophthalmic preservatives: focus on polyquaternium-1. Expert Opin Drug Deliv. 2011 Nov;8(11):1425-38.
  67. Cook P, Schmiege S, McClean M, Aagaard L, Kahook MY. Practical and Analytic Issues in the Electronic Assessment of Adherence. West J Nurs Res. 2011 Nov 18.
  68. Laing AE, Seibold LK, Soohoo JR, Kahook MY. Evaluation of bleb characteristics after implantation of the EX-PRESS glaucoma filtration device. Mol Vis. 2012;18:10-3. Epub 2012 Jan 4.
  69. SooHoo JR, Seibold LK, Laing AE, Kahook MY. Bleb morphology and histology in a rabbit model of glaucoma filtration surgery using Ozurdex® or mitomycin-C. Mol Vis. 2012;18:714-9.
  70. Yochim BP, Mueller AE, Kane KD, Kahook MY. Prevalence of Cognitive Impairment, Depression, and Anxiety Symptoms Among Older Adults With Glaucoma. J Glaucoma. 2012 Apr;21(4):250-4.
  71. Ammar DA, Hamweyah KM, and Kahook MY. Antioxidants Protect Trabecular Meshwork Cells From Hydrogen Peroxide-Induced Cell Death. Translational Vision Science & Technology: May 2012, Vol. 1, No. 1, pp. 4.
  72. Masihzadeh O, Lei TC, Ammar DA, Kahook MY, Gibson EA. A multiphoton microscope platform for imaging the mouse eye. Mol Vis. 2012;18:1840-8.
  73. Seibold LK, Sherwood MB, Kahook MY. Wound modulation after filtration surgery. Surv Ophthalmol. 2012 Nov;57(6):530-50.
  74. Seibold LK, Ammar DA, Kahook MY. Acute effects of glaucoma medications and benzalkonium chloride on pre-adipocyte proliferation and adipocyte cytotoxicity in vitro. Curr Eye Res. 2012 Oct 18. [epub ahead of print]