Undergraduate Degree

  • Harvard College , 1978 , Cambridge , MA

Medical School

  • Harvard Medical School , 1983 , Boston , MA


  • Georgetown University Hospital , 1984 , Washington , DC


  • Georgetown University Hospital , 1988 , Washington , DC


  • Boston Children's Hospital , 1989 , Boston , MA

Philosophy of Care

To investigate the cause of concern and, whenever possible, to offer remedy that reduces the medical condition to a small matter---thereby restoring quality of life.


  • American Board of Ophthalmology


Publications powered by Harvard Catalyst Profiles

  1. Dagi LR, Rogers GF, Proctor MR, Meara JG. Age at Craniosynostosis Surgery and Its Impact on Ophthalmologic Diagnoses: A Single-Center Retrospective Review. Plast Reconstr Surg. 2020 Sep; 146(3):375e-376e. View abstract
  2. Elhusseiny AM, Grush A, Dagi LR. Acute, severe dystonia after strabismus surgery in a patient on propofol, ondansetron, and bupropion. J AAPOS. 2020 Jul 18. View abstract
  3. Elhusseiny AM, Huynh EM, Dagi LR. Evaluation and Management of V pattern Strabismus in Craniosynostosis. J Binocul Vis Ocul Motil. 2020 Jan-Mar; 70(1):40-45. View abstract
  4. Serafino M, Granet DB, Kushner BJ, Dagi LR, Kekunnaya R, Nucci P. Use of the Delphi process for defining successful outcomes for strabismus surgery. J AAPOS. 2019 12; 23(6):309-312. View abstract
  5. Dagi LR, Velez FG, Archer SM, Atalay HT, Campolattaro BN, Holmes JM, Kerr NC, Kushner BJ, Mackinnon SE, Paysse EA, Pihlblad MS, Pineles SL, Strominger MB, Stager DR, Stager D, Capo H. Adult Strabismus Preferred Practice Pattern®. Ophthalmology. 2020 01; 127(1):P182-P298. View abstract
  6. Weng F, Meara JG, Dagi LR. Unicoronal Synostosis. J Pediatr. 2019 10; 213:243-243.e1. View abstract
  7. Nguyen JQN, Resnick CM, Chang YH, Hansen RM, Fulton AB, Moskowitz A, Calabrese CE, Dagi LR. Impact of Obstructive Sleep Apnea on Optic Nerve Function in Patients With Craniosynostosis and Recurrent Intracranial Hypertension. Am J Ophthalmol. 2019 11; 207:356-362. View abstract
  8. Isaac KV, MacKinnon S, Dagi LR, Rogers GF, Meara JG, Proctor MR. Nonsyndromic Unilateral Coronal Synostosis: A Comparison of Fronto-Orbital Advancement and Endoscopic Suturectomy. Plast Reconstr Surg. 2019 03; 143(3):838-848. View abstract
  9. Nolan JG, Vestal M, Stone S, Dagi LR. "Plugged In". Orbit. 2020 Feb; 39(1):73-74. View abstract
  10. Dagi TF, Dagi LR. Commentary: Ernest Codman and the Impact of Quality Improvement in Neurosurgery: A Century Since the Idea of the "End Result". Neurosurgery. 2019 02 01; 84(2):E120-E121. View abstract
  11. Oatts JT, Doyle JJ, Dodd MU, Mantagos IS, Dagi LR. Acquired reversible Brown syndrome caused by focal abscess of the superior oblique muscle. J AAPOS. 2019 06; 23(3):172-174. View abstract
  12. Sharma M, MacKinnon S, Zurakowski D, Dagi LR. Consecutive superior oblique palsy after adjustable suture spacer surgery for Brown syndrome: incidence and predicting risk. J AAPOS. 2018 10; 22(5):335-339.e2. View abstract
  13. Dagi LR. Management of graves myopathy: Understanding and managing vertical strabismus from thyroid eye disease. J AAPOS. 2018 08; 22(4):252-255. View abstract
  14. Park ESY, Rabinowits G, Hamnvik OR, Dagi LR. A case of Graves' ophthalmopathy associated with pembrolizumab (Keytruda) therapy. J AAPOS. 2018 08; 22(4):310-312. View abstract
  15. Finn AP, Bleier B, Cestari DM, Kazlas MA, Dagi LR, Lefebvre DR, Yoon MK, Freitag SK. A Retrospective Review of Orbital Decompression for Thyroid Orbitopathy with Endoscopic Preservation of the Inferomedial Orbital Bone Strut. Ophthalmic Plast Reconstr Surg. 2017 Sep/Oct; 33(5):334-339. View abstract
  16. Tischfield MA, Robson CD, Gilette NM, Chim SM, Sofela FA, DeLisle MM, Gelber A, Barry BJ, MacKinnon S, Dagi LR, Nathans J, Engle EC. Cerebral Vein Malformations Result from Loss of Twist1 Expression and BMP Signaling from Skull Progenitor Cells and Dura. Dev Cell. 2017 09 11; 42(5):445-461.e5. View abstract
  17. Hunter DG, Yonekawa Y, Shah AS, Dagi LR. Central serous chorioretinopathy following medial transposition of split lateral rectus muscle for complete oculomotor nerve palsy. J AAPOS. 2017 12; 21(6):517-518. View abstract
  18. Dagi L, Alkharashi M. ACCIDENTAL DUPLICATION: Pericardial patch Graft Repair of Severe Localized Scleral Thinning Encountered during Strabismus Surgery. J AAPOS. 2017 Jun 01. View abstract
  19. Kemp PS, Chang YH, Melvin P, Dagi LR. Patient Characteristics and Surgical Approach Impacting Simultaneous to Alternate Prism Cover Test Disparity After Exotropia Surgery: A Quantitative Look at the Difference in Motor Outcomes. J Pediatr Ophthalmol Strabismus. 2017 Jul 01; 54(4):222-230. View abstract
  20. Dagi LR, O'Hara M, Strominger MB, Wagner RS. Management of Small Vertical Deviations. J Pediatr Ophthalmol Strabismus. 2017 May 01; 54(3):134-136. View abstract
  21. Alkharashi M, Dagi AF, Dagi LR. Pericardial patch graft repair of severe localized scleral thinning encountered during strabismus surgery. J AAPOS. 2017 Apr; 21(2):156-156.e1. View abstract
  22. Dagi LR, MacKinnon S, Zurakowski D, Prabhu SP. Rectus muscle excyclorotation and V-pattern strabismus: a quantitative appraisal of clinical relevance in syndromic craniosynostosis. Br J Ophthalmol. 2017 11; 101(11):1560-1565. View abstract
  23. Tiedemann LM, Manley P, Smith ER, Dagi LR. Visual Field Loss in a Case of Recurrent Cystic Craniopharyngioma During Concomitant Treatment With Pegylated Interferon a-2b. J Pediatr Hematol Oncol. 2016 Jan; 38(1):e26-8. View abstract
  24. Chang YH, Melvin P, Dagi LR. Goal-determined metrics to assess outcomes of exotropia surgery. J AAPOS. 2015 Aug; 19(4):304-10. View abstract
  25. Dagi LR, Tiedemann LM, Heidary G, Robson CD, Hall AM, Zurakowski D. Using spectral-domain optical coherence tomography to detect optic neuropathy in patients with craniosynostosis. J AAPOS. 2014 Dec; 18(6):543-9. View abstract
  26. Tiedemann LM, Lefebvre DR, Wan MJ, Dagi LR. Iatrogenic inferior oblique palsy: intentional disinsertion during transcaruncular approach to orbital fracture repair. J AAPOS. 2014 Oct; 18(5):511-4. View abstract
  27. Shah AS, Prabhu SP, Sadiq MA, Mantagos IS, Hunter DG, Dagi LR. Adjustable nasal transposition of split lateral rectus muscle for third nerve palsy. JAMA Ophthalmol. 2014 Aug; 132(8):963-9. View abstract
  28. Ehrenberg M, Nihalani BR, Melvin P, Cain CE, Hunter DG, Dagi LR. Goal-determined metrics to assess outcomes of esotropia surgery. J AAPOS. 2014 Jun; 18(3):211-6. View abstract
  29. Yang S, MacKinnon S, Dagi LR, Hunter DG. Superior rectus transposition vs medial rectus recession for treatment of esotropic Duane syndrome. JAMA Ophthalmol. 2014 Jun; 132(6):669-75. View abstract
  30. Mehendale RA, Stemmer-Rachamimov AO, Dagi LR. A 50-year-old man with a long-standing, large-angle exotropia and limitation of adduction in the left eye. Digit J Ophthalmol. 2013; 19(4):64-7. View abstract
  31. Sadiq MA, Prabhu SP, Fearon JA, Taghinia AH, Dagi LR. Screw implantation in the globe: the risk of delayed hardware migration from craniofacial repair. J Craniofac Surg. 2013 Sep; 24(5):1650-2. View abstract
  32. MacKinnon S, Proctor MR, Rogers GF, Meara JG, Whitecross S, Dagi LR. Improving ophthalmic outcomes in children with unilateral coronal synostosis by treatment with endoscopic strip craniectomy and helmet therapy rather than fronto-orbital advancement. J AAPOS. 2013 Jun; 17(3):259-65. View abstract
  33. Bandopadhayay P, Dagi L, Robison N, Goumnerova L, Ullrich NJ. Morning glory disc anomaly in association with ipsilateral optic nerve glioma. Arch Ophthalmol. 2012 Aug; 130(8):1082-3. View abstract
  34. Dagi LR, Bhargava A, Melvin P, Prabhu SP. Associated signs, demographic characteristics, and management of dacryocystocele in 64 infants. J AAPOS. 2012 Jun; 16(3):255-60. View abstract
  35. Mehendale RA, Dagi LR, Wu C, Ledoux D, Johnston S, Hunter DG. Superior rectus transposition and medial rectus recession for Duane syndrome and sixth nerve palsy. Arch Ophthalmol. 2012 Feb; 130(2):195-201. View abstract
  36. Glass LR, Dagi TF, Dagi LR. Papilledema in the setting of x-linked hypophosphatemic rickets with craniosynostosis. Case Rep Ophthalmol. 2011 Sep; 2(3):376-81. View abstract
  37. Mehendale RA, Dagi LR. Amniotic membrane implantation to reduce extraocular muscle adhesions to a titanium implant. J AAPOS. 2011 Aug; 15(4):404-6. View abstract
  38. Holmes JM, Lazar EL, Melia BM, Astle WF, Dagi LR, Donahue SP, Frazier MG, Hertle RW, Repka MX, Quinn GE, Weise KK. Effect of age on response to amblyopia treatment in children. Arch Ophthalmol. 2011 Nov; 129(11):1451-7. View abstract
  39. Dagi LR, Elliott AT, Roper-Hall G, Cruz OA. Thyroid eye disease: honing your skills to improve outcomes. J AAPOS. 2010 Oct; 14(5):425-31. View abstract
  40. Dagi, LR. Amblyopia. PIER American College of Physicians . 2010. View abstract
  41. Dagi, LR, Elliott, AE, Roper-Hall, G, and Cruz, OA. . Thyroid eye disease: Honing your skills to improve outcomes. JAAPOS. 2010; In press. View abstract
  42. MacKinnon S, Rogers GF, Gregas M, Proctor MR, Mulliken JB, Dagi LR. Treatment of unilateral coronal synostosis by endoscopic strip craniectomy or fronto-orbital advancement: Ophthalmologic findings. J AAPOS. 2009 Apr; 13(2):155-60. View abstract
  43. Lund,KA, Ledoux,DM, Nihalani,BR, Peterson, CS, Thompson, DB, Dagi, LR . Outcomes of treatment of nasolacrimal duct obstruction in children with down syndrome. JAAPOS. 2009; 13(1):e21-22. View abstract
  44. Dagi, LR, Elliott, AT, and Cruz, OA. Managing Graves Orbitopathy: Honing Your Skills to Improve Outcomes. JAAPOS. 2009; 13(1):e33. View abstract
  45. Pediatric Eye Diseases Investigator Group. Interobserver reliability of the prism and alternate cover test in children with esotropia. Arch Ophthalmol. 2009; 127(1):59-65. View abstract
  46. Chen VM, Dagi LR. Ocular misalignment in Graves disease may mimic that of superior oblique palsy. J Neuroophthalmol. 2008 Dec; 28(4):302-4. View abstract
  47. Christiansen SP, Chandler DL, Holmes JM, Arnold RW, Birch E, Dagi LR, Hoover DL, Klimek DL, Melia BM, Paysse E, Repka MX, Suh DW, Ticho BH, Wallace DK, Weaver RG. Instability of ocular alignment in childhood esotropia. Ophthalmology. 2008 Dec; 115(12):2266-2274.e4. View abstract
  48. Holt, H, Hunter, DG, Smith, J, Dagi, LR. Pediatric graves' orbitopathy: The pre- and post-pubertal experience. JAAPOS. 2008; 12(4):357-60. View abstract
  49. Ghangwani,B Shivaram, AM Holt, H Dagi, LR Vanderveen, D. Visual Outcomes in Pediatric Pseudotumor Cerebri. American Association of Pediatric Ophthalmology and Strabismus April 2008. 2008. View abstract
  50. Mackinnon, S Ron,Y Rogers,G Proctor,M Dagi, LR. Endoscopic Strip Craniectomy for Unilateral Coronal Synostosis: Impact on the Evolution of Strabismus. American Association of Pediatric Ophthalmology and Strabismus April 2008. 2008. View abstract
  51. Holt H, Hunter DG, Smith J, Dagi LR. Pediatric Graves' ophthalmopathy: the pre- and postpubertal experience. J AAPOS. 2008 Aug; 12(4):357-60. View abstract
  52. Mantagos IS, Rhodes J, Dagi LR. Transient monocular vision loss from acute rheumatic fever. Pediatr Cardiol. 2008 Sep; 29(5):966-8. View abstract
  53. Ron Y, Dagi LR. The etiology of V pattern strabismus in patients with craniosynostosis. Int Ophthalmol Clin. 2008; 48(2):215-23. View abstract
  54. Dagi, LR. Complex Strabismus (Chapter 318). Principals and Practice of Ophthalmology, eds Albert and Miller. 2008; 4(3rd edition):4345-4356. View abstract
  55. Levy RL, Rogers GF, Mulliken JB, Proctor MR, Dagi LR. Astigmatism in unilateral coronal synostosis: incidence and laterality. J AAPOS. 2007 Aug; 11(4):367-72. View abstract
  56. Pediatric Eye Diseases Investigator Group. Stability of visual acuity improvement following discontinuation of amblyopia treatment in children 7 to 12 years old. Arch Ophthalmol. 2007; 125:655-659. View abstract
  57. Shivaram, AM Holt, H Dagi, LR Vanderveen, D. Visual Outcomes in Pediatric Pseudotumor Cerebri. . American Academy of Ophthalmology November 2006 . 2006. View abstract
  58. Dagi LR, Walton DS. Anterior axial lens subluxation, progressive myopia, and angle-closure glaucoma: recognition and treatment of atypical presentation of ectopia lentis. J AAPOS. 2006 Aug; 10(4):345-50. View abstract
  59. Dagi,LR Dagi, TF Stasheff, SF. Preferred Practice Guidelines; Idiopathic Intracranial Hypertension/ Pseudotumor Cerebri. 2006. View abstract
  60. Levy, R Dagi, LR. Incidence and Laterality of Astigmatism in Unilateral Coronal Synostosis . American Association of Pediatric Ophthalmology and Strabismus March 2005. 2005. View abstract
  61. Pediatric Eye Diseases Investigator Group. Randomized trial of treatment of amblyopia in children ages 7 to 17 years. . Arch Ophthalmol. 2005; 123:437-47. View abstract
  62. Dagi, LR Vela, A Levy, HP Coplon, P Fernhoff, P. Axial Ectopia Lentis with Synechial Angle Closure in a New Connective Tissue Disorder. American Association of Pediatric Ophthalmology and Strabismus March 2002. 2002. View abstract
  63. Dagi, LR. Ophthalmic Manifestations of Bear-Stevenson Syndrome. American Association of Pediatric Ophthalmology and Strabismus April 1993. 1993. View abstract
  64. Dagi, LR Sternberg, P. Perinatal and Early Infantile Presentation of Familial Exudative Vitreo-Retinopathy. American Association of Pediatric Ophthalmology and Strabismus February 1992. 1992. View abstract
  65. Dagi, TF, Dagi, LR, Sullivan P. The evaluation and treatment of secondary optic atrophy associated with craniofacial abnormalities. Act, Second International Congress of the Society of Cranio-Maxillo-Facial Surgery. 1991; 449-453. View abstract
  66. Dagi, TF Dagi, LR Sullivan, P. The Evaluation and Treatment of Secondary Optic Atrophy Associated with Craniofacial Abnormalities. Acta, Second International Congress of the Society of Cranio-Maxillo-Facial Surgery. 1991; 449-453. View abstract
  67. Horton JC, Dagi LR, McCrane EP, de Monasterio FM. Arrangement of ocular dominance columns in human visual cortex. Arch Ophthalmol. 1990 Jul; 108(7):1025-31. View abstract
  68. Dagi LR, Leys MJ, Hansen RM, Fulton AB. Hyperopia in complicated Leber's congenital amaurosis. Arch Ophthalmol. 1990 May; 108(5):709-12. View abstract
  69. Dagi, LR Hansen, RM Padula, MA Fulton, AB. Hyperopia as a Feature of Complicated and Uncomplicated Leber's Congenital Amaurosis. American Association of Pediatric Ophthalmology and Strabismus April 1989. 1989. View abstract
  70. Dagi, TF Dagi, LR. Observations on the Tradition of Autoexperimentation in Medicine. The Use of Human Beings in Research with Special Reference to Clinical Trials; eds Spicker,S, Alon, A, DeVries, HT, Englehardt,JR. 1988; 249-260. View abstract
  71. Horton, JC Dagi, LR McClane, EP deMonasterio, FM. Ocular Dominance Columns in Human Visual Cortex. NANOS February 1988. 1988. View abstract
  72. Dagi LR, Chrousos GA, Cogan DC. Spasm of the near reflex associated with organic disease. Am J Ophthalmol. 1987 Apr 15; 103(4):582-5. View abstract
  73. Dagi, LR Chrousos, GA Cogan, DC. Spasm of the Near Reflex Associated with Organic Disease. Association for Research in Vision and Ophthalmology June 1987. 1987. View abstract
  74. Dagi LR, Currie J. Branch retinal artery occlusion in the Churg-Strauss syndrome. J Clin Neuroophthalmol. 1985 Dec; 5(4):229-37. View abstract
  75. Kaufman, J Rabinowitz-Dagi, L Levin, J McCarthy, P Wolfe, S. Over The Counter Pills that Don't Work. 1983. View abstract
  76. Rabinowitz, LR. An Applicant's Guide to the New York City Certificate of Need Process. 1981. View abstract