All Stories

  1. Standard Automated Perimetry Before and After Extended Depth-of-Focus Intraocular Lens Implantation: Longitudinal Changes in Global Indices and Test Reliability

    Article • Clinical Ophthalmology, February 2026, Taylor & Francis

    Dr Patrick Frensel Tzelikis

  2. Clinical Tolerance to Induced Astigmatism in Eyes Implanted with a Single Extended Depth of Focus Intraocular Lens (AT LARA®)

    Article • Clinical Ophthalmology, December 2025, Taylor & Francis

    Dr Patrick Frensel Tzelikis

  3. Clinical Tolerance to Experimentally Induced with-the-Rule and Against-the-Rule Astigmatism After Implantation of an Extended Depth-of-Focus Intraocular Lens: A Defocus-Curve Study

    Article • Clinical Ophthalmology, December 2025, Taylor & Francis

    Dr Patrick Frensel Tzelikis

  4. Comparison of Self-Test Refraction, Autorefraction, and Subjective Refraction

    Article • Clinical Ophthalmology, March 2025, Taylor & Francis

    Dr Patrick Frensel Tzelikis

  5. Objective and subjective visual outcome comparison analysis of two diffractive presbyopic correcting intraocular lenses

    Article • Revista Brasileira de Oftalmologia, January 2025, Revista Brasileira de Oftalmologia

    Dr Patrick Frensel Tzelikis

  6. Comparison of visual outcomes of bilateral dual-technology diffractive intraocular lens vs blended enhanced monofocal with dual-technology intraocular lens

    Article • Journal of Cataract & Refractive Surgery, April 2024, Wolters Kluwer Health

    Dr Patrick Frensel Tzelikis

  7. Visual outcomes in advanced keratoconus using different strategies: Scleral lens, intracorneal ring segment and lamellar keratoplasty

    Article • European Journal of Ophthalmology, February 2021, SAGE Publications

    Dr Patrick Frensel Tzelikis

  8. Intraoperative Aberrometry Versus Preoperative Biometry for IOL Power Selection After Radial Keratotomy: A Prospective Study

    Article • Journal of Refractive Surgery, October 2019, SLACK, Inc.

    Dr Patrick Frensel Tzelikis

  9. Architecture evaluation of the main clear corneal incisions in femtosecond laser-assisted cataract surgery by optical coherence tomography imaging

    Article • Clinical Ophthalmology, February 2019, Dove Medical Press

    Dr Patrick Frensel Tzelikis, César Vilar, Wilson Hida, Milton Alves

  10. Intraindividual comparison of nepafenac 0.3% for the prevention of macular edema after phacoemulsification

    Article • Journal of Cataract & Refractive Surgery, April 2018, Elsevier

    Dr Patrick Frensel Tzelikis

  11. Outcomes study between femtosecond laser-assisted cataract surgery and conventional phacoemulsification surgery using an active fluidics system

    Article • Clinical Ophthalmology, September 2017, Dove Medical Press

    Wilson Hida, Milton Alves, Pedro Carricondo, Dr Patrick Frensel Tzelikis, Renato Ambrosio

  12. Comparison between bilateral implantation of a trifocal intraocular lens and blended implantation of two bifocal intraocular lenses

    Article • Clinical Ophthalmology, August 2017, Dove Medical Press

    César Vilar, Milton Alves, Wilson Hida, Dr Patrick Frensel Tzelikis

  13. Oncocytoma of the lacrimal gland: a case report

    Article • Arquivos Brasileiros de Oftalmologia, January 2017, GN1 Genesis Network

    Dr Patrick Frensel Tzelikis

  14. Corneal endothelial cell density and pterygium: a cross-sectional study

    Article • Arquivos Brasileiros de Oftalmologia, January 2017, GN1 Genesis Network

    Dr Patrick Frensel Tzelikis

  15. A case of atypical nocardia asteroides sclerouveitis resistant to fourth-generation fluoroquinolones

    Article • Revista Brasileira de Oftalmologia, January 2016, GN1 Genesis Network

    Dr Patrick Frensel Tzelikis

  16. Acquired anterior staphyloma after corneal ulcer associated with the use of crack

    Article • Arquivos Brasileiros de Oftalmologia, January 2016, GN1 Genesis Network

    Dr Patrick Frensel Tzelikis

  17. Traumatic wound dehiscence after corneal keratoplasty

    Article • Arquivos Brasileiros de Oftalmologia, January 2015, GN1 Genesis Network

    Dr Patrick Frensel Tzelikis

  18. Mini-flared Kelman tip, reverse tip, and sidewinder tip with torsional phaco: a prospective randomized comparative study

    Article • Arquivos Brasileiros de Oftalmologia, January 2015, GN1 Genesis Network

    Dr Patrick Frensel Tzelikis

  19. Comparison of ketorolac 0.4% and nepafenac 0.1% for the prevention of cystoid macular oedema after phacoemulsification: prospective placebo-controlled randomised study

    Article • British Journal of Ophthalmology, November 2014, BMJ

    Dr Patrick Frensel Tzelikis

  20. Hurricane cortical aspiration technique: One-step continuous circular aspiration maneuver

    Article • Journal of Cataract & Refractive Surgery, April 2014, Elsevier

    Dr Patrick Frensel Tzelikis

  21. Visual outcomes after implantation of a novel refractive toric multifocal intraocular lens

    Article • Arquivos Brasileiros de Oftalmologia, January 2014, GN1 Genesis Network

    Dr Patrick Frensel Tzelikis

  22. Inadvertent implantation of a reversed-optic Tecnis ZM900 multifocal intraocular lens: case report

    Article • Arquivos Brasileiros de Oftalmologia, December 2012, FapUNIFESP (SciELO)

    Dr Patrick Frensel Tzelikis

  23. Técnica Tied Out Open Sky: fixação iriana de lente intraocular combinada com transplante penetrante de córnea

    Article • Revista Brasileira de Oftalmologia, February 2012, FapUNIFESP (SciELO)

    Dr Patrick Frensel Tzelikis

  24. Ceratoplastia lamelar anterior profunda pela técnica da "big-bubble"

    Article • Arquivos Brasileiros de Oftalmologia, December 2011, FapUNIFESP (SciELO)

    Dr Patrick Frensel Tzelikis

  25. Desempenho visual após implante de uma lente intraocular asférica multifocal difrativa

    Article • Revista Brasileira de Oftalmologia, August 2010, FapUNIFESP (SciELO)

    Dr Patrick Frensel Tzelikis

  26. Vitrectomia transconjuntival 25 gauge via pars plana para opacidade vítrea persistente em pacientes com implante de lentes multifocais

    Article • Revista Brasileira de Oftalmologia, August 2010, FapUNIFESP (SciELO)

    Dr Patrick Frensel Tzelikis

  27. Visual Performance of Tecnis ZM900 Diffractive Multifocal IOL after 2500 Implants: A 3-Year Followup

    Article • Journal of Ophthalmology, January 2010, Hindawi Publishing Corporation

    Dr Patrick Frensel Tzelikis

  28. Multifocal intraocular lens optic anteriorization capture to correct residual refractive error

    Article • Journal of Cataract & Refractive Surgery, December 2009, Elsevier

    Dr Patrick Frensel Tzelikis

  29. Spherical Aberration and Contrast Sensitivity in Eyes Implanted with Aspheric and Spherical Intraocular Lenses: A Comparative Study

    Article • American Journal of Ophthalmology, May 2008, Elsevier

    Dr Patrick Frensel Tzelikis

  30. Primary piggyback implantation using the Tecnis ZM900 multifocal intraocular lens

    Article • Journal of Cataract & Refractive Surgery, December 2007, Elsevier

    Dr Patrick Frensel Tzelikis

  31. Ocular aberrations and contrast sensitivity after cataract surgery with AcrySof IQ intraocular lens implantation

    Article • Journal of Cataract & Refractive Surgery, November 2007, Elsevier

    Dr Patrick Frensel Tzelikis

  32. Afilamento escleral em paciente com rinosporidiose conjuntival

    Article • Revista Brasileira de Oftalmologia, October 2007, FapUNIFESP (SciELO)

    Dr Patrick Frensel Tzelikis

  33. Distrofia corneana policromática posterior

    Article • Revista Brasileira de Oftalmologia, August 2007, FapUNIFESP (SciELO)

    Dr Patrick Frensel Tzelikis

  34. Resultados preliminares do implante de lente intra-ocular fácica artisan para correção de miopia

    Article • Arquivos Brasileiros de Oftalmologia, June 2007, FapUNIFESP (SciELO)

    Dr Patrick Frensel Tzelikis

  35. Primary piggyback implantation using the ReSTOR intraocular lens: Case series

    Article • Journal of Cataract & Refractive Surgery, May 2007, Elsevier

    Dr Patrick Frensel Tzelikis

  36. Diamond Burr Treatment of Poor Vision From Anterior Basement Membrane Dystrophy

    Article • American Journal of Ophthalmology, August 2005, Elsevier

    Dr Patrick Frensel Tzelikis

  37. Ocular copper deposition associated with monoclonal gammopathy of undetermined significance: case report

    Article • Arquivos Brasileiros de Oftalmologia, August 2005, FapUNIFESP (SciELO)

    Dr Patrick Frensel Tzelikis

  38. Management of Pellucid Marginal Corneal Degeneration

    Article • Cornea, July 2005, Wolters Kluwer Health

    Dr Patrick Frensel Tzelikis

  39. Tarsorrafia: aplicações em um Serviço de Córnea

    Article • Arquivos Brasileiros de Oftalmologia, February 2005, FapUNIFESP (SciELO)

    Dr Patrick Frensel Tzelikis

  40. Ceratocone unilateral associado a constante massagem ocular devido à obstrução da via lacrimal: relato de caso

    Article • Arquivos Brasileiros de Oftalmologia, February 2005, FapUNIFESP (SciELO)

    Dr Patrick Frensel Tzelikis

  41. Implante intra-ocular de lentes dobráveis "piggyback" em paciente portador de catarata congênita no primeiro ano de vida: relato de caso

    Article • Arquivos Brasileiros de Oftalmologia, December 2004, FapUNIFESP (SciELO)

    Dr Patrick Frensel Tzelikis

  42. Ferrara intracorneal ring implantation and cataract surgery for the correction of pellucid marginal corneal degeneration

    Article • Journal of Cataract & Refractive Surgery, November 2004, Elsevier

    Dr Patrick Frensel Tzelikis

  43. Coloboma ocular: alterações oculares e sistêmicas associadas

    Article • Arquivos Brasileiros de Oftalmologia, February 2004, FapUNIFESP (SciELO)

    Dr Patrick Frensel Tzelikis

  44. Técnica para preparação e conservação de olhos de porco para cirurgia experimental

    Article • Arquivos Brasileiros de Oftalmologia, October 2003, FapUNIFESP (SciELO)

    Dr Patrick Frensel Tzelikis

  45. Nucleofragmentação horizontal: uma nova técnica para a cirurgia de catarata

    Article • Arquivos Brasileiros de Oftalmologia, June 2003, FapUNIFESP (SciELO)

    Dr Patrick Frensel Tzelikis

  46. Asymptomatic Intracranial Gumma in a Patient with Syphilitic Uveitis and Human Immunodeficiency Virus Infection

    Article • Scandinavian Journal of Infectious Diseases, May 2003, Taylor & Francis

    Dr Patrick Frensel Tzelikis