Dr Raul Martin Herranz

Dr Raul Martin Herranz

Honorary Associate Professor

School of Health Professions (Faculty of Health)



Lecture in Optometry, (Plymouth University, England, UK).

Head of the Optometry Research Group; IOBA Eye Institute, (University of Valladolid,Spain).


2010.- PhD degree. Doctoral Thesis on contact lens induced cornealswelling “Corneal changes induced by continuous wear of silicone hydrogelLotrafilcon A and Etafilcon A contact lenses”. University of Valladolid, Spain.(Available @: http://uvadoc.uva.es/handle/10324/128).

2007.- Master “Research inVisual Sciences”, University of Valladolid, Valladolid, Spain.

1992.- Degree in Optometry [OD(EC)], University Complutense of Madrid, Spain.


2010.- Master in Qualitymanagement of Research, Development & Innovation, National Universityof Distance Education (UNED), Madrid, Spain.

2006.- Master in Optometryin Visual Sciences, University of Valladolid, Valladolid, Spain.

2006.- Advanced Diploma in Advancedstatistical methods, UNED, Madrid, Spain.

2000.- Advanced Diploma in Qualitymanagement in health care, University of Valladolid, Valladolid, Spain.

1998.- Advanced Diploma in Preand Post surgical Optometry, University of Valladolid, Valladolid, Spain.

1992.- Advanced Diploma in Newtechnologies in Optic and Optometry, University Complutense of Madrid,Spain.

1999.- Advanced Diploma in UniversityTeaching, University of Valladolid, Valladolid, Spain.

Professional membership

From 2012:  GeneralOptic Council (UK) registered number: 01-26647.

From 2001:  TearFilm and Ocular Surface Society (TFOS).

From 1999:  Associationfor Research in Vision and Ophthalmology (ARVO), USA.

From 1995:  Castilla y Leon Society of Optometry and Contact Lens, Spain

From 1992:  SpanishCollege of Optometry registered number: 6959.



Teaching interests

Module lead for Evidence Based Practice OPT101 and Clinical Optometry Skills 1 OPT105

09/15-Present    Lecture in Optometry, School of Health Professions Plymouth University, UK.
09/00-09/10    Lecturer, School of Optometry (Theoretical& Atomic Physics and Optics Dpt.), UVa, Spain.
10/97-09/00    Assistant Lecturer, School of Optometry(Ophthalmology Dpt.), UVa, Spain.

Staff serving as external examiners

COLLEGE Optometrist reviewer

From 2010:         PeerReviewers for Postgraduate Research Scholarships, U.K. College of Optometrists,U.K.


From 2014:   Cornea.

                        Scienceof Advanced Materials.

                        OphthalmologyResearch: An International Journal.

                        SaudiJournal of Ophthalmology (SJO).

                        PatientPreference and Adherence.

From 2013    InternationalJournal of Ophthalmology.

                        Journalof Cataract and Refractive Surgery

From 2012    Journalof Clinical & Experimental Ophthalmology.


                        BritishJournal of Medicine and Medical Research.


From 2011    YonseiMedical Journal.

From 2010    ClinicalOphthalmology.

From 2009    Ophthalmicand Physiological Optics.

                        Journalof Optometry.

                        Journalof Medical Case Reports.

                        ExpertReview of Ophthalmology.

From 2008    InvestigativeOphthalmology & Visual Science (IOVS).

From 2007    PublicationsDepartment of the University Complutense of Madrid, Spain.

                        MedicalScience Monitor.

                        Journalof Refractive Surgery.

                        Clinical and ExperimentalOptometry.

From 2006    Current Eye Research.



Research interests

Principal Investigator with wide professionalexperience in Contact lenses and Ocular Surface clinical research of the Optometry Research Group of the IOBA Eye Institute (University of Valladolid, Spain). Cross-appointedas Senior Lecturer to the School of Optometry of the University of Valladolid until 2015 . Highlymotivated by excellence, team working and responsibility. Reliable planningcapability, experience to manage technical staff and motivate teams working byobjectives to achieve timely results. Key research field experience& interest:

  • Ocular Surface / Contact lenses / Corneal alterations related with contact lens wear / Confocal microscopy.
  • New technology evaluationin eye examination / Nano-technology application in eye examination.
  • Optometry teaching innovation.

Grants & contracts

RESEARCHGRANTS (as principal investigator)

04/05   IOBA-Eye Institute, Spain: ProjectTopographical differences in contact lens induced swelling by Lotrafilcon A andEtafilcon A contact lenses in continuous wear”.

06/07   DISOP Company, Spain: “ProjectClinical trial to evaluate safety and security of new multipurpose solutions tocare silicone-hydrogel contact lens (Clinical trial register AGEMED293/07/EC)”.

12/13   SALVAT Biopharma. Clinical trial toevaluate the sensitivity of a new device to assess the corneal bioimpedance(CORBI device). (Project number AGEMED 419/12/EC), PI: Raul Martin, MiguelMaldonado.

12/13   GCU Santander Fund – SantanderUniversities Network UK: “Comparative study of the corneal thickness profile inNorthern and Southern European eyes”. Multicenter Project between Department ofVision Sciences, Glasgow Caledonian University (GCU) and Optometry ResearchGroup IOBA – University of Valladolid. PI: Raul Martín, Sven Jonuscheit andMichael J. Doughty.


RESEARCHGRANTS (as collaborator investigator)

13/14    Grant, Health Department of Junta Castillay Leon, Spain: “Telemedicine to improve eye emergencies in rural primary carecenter of the public system of health in Castilla y León (GRS816/B/13)”. PI: Dra.Yolanda Valpuesta.

11/12    Grant Novartis Company, Spain: Efficacy andSafety of Ranibizumab in Patients With Visual Impairment Due to ChoroidalNeovascularization Secondary to Pathologic Myopia. Eudra CT: 2010-021662-30 andClinicalTrials.gov Identifier: NCT01217944. PI: Dra. López.

10/12    Grant, Spanish Ministry of Science &Technology, Spain: “Project Developed of new non-invasive diagnostic system ofcorneal pathologies with micro-nanotechnologies (PIA12009-76)”. PI: MiguelMaldonado and Rosa Villa.

09/11    Grant, Generalitat of Catalunya, Spain:“Project Biomedic prototip to intraocular pressure monitorization in Glaucoma(VALTEC09-1-0030)”. PI: Manuel Doblare.

09/11    Grant, Spanish Ministry of Science &Technology – National I+D+I, Spain: “Project Efficacy and safety ofintravitreous Bevacizumab as treatment of macula edema after venous occlusion”(EC08/00052) PI: Dra. López.

09/10    Grant, Novartis Company, Spain: “ProjectClinical trial to evaluate safety and security of intravitreous Ranibizumab astreatment of diabetic macular edema (Protocol #CRFB002DES01 and EUDRA#CT2009-010825-37)”. PI: Mª Isabel Lopez.

08/10    Grant, Institute of Health Carlos III,Ministry of Health, Spain: “Project Efficacy and safety of intravitreousBevacizumab as treatment of choroidal neovascularization in pathologic myopia(FIS EC07/90661)”. PI: Jose C. Pastor.

08/10    Grant, Health Department of Junta Castillay Leon, Spain: “Project Influence of topic treatment with Brimionidina andTimolol in the adrenergic receptors and the relationship with conjunctivainflammation signs and symptoms (GRS303/A/08)”. PI: Jose M Herreras.

07/09    Grant, CIBER-BBN (CB 06_01_0049), SpanishMinistry of Science & Technologies, Spain: “Project Contact lens sensorwith nano-technology to non-invasive monitorization of the intraocularpressure”. PI: Margarita Calonge.

07/08    Grant, Cooper Vision Company, Spain:“Project clinical performance of Biofinity contact lenses”. PI: Maria Gonzalez.

05/08    Grant, Parexel International Company,Spain: “Project Ruboxistaurina effect over diabetic macula edema”. PI: MªIsabel Lopez.

04/07    Grant, Institute of Health Carlos III,Ministry of Health, Spain: “Project Efficacy and security of intravitreustriamcinolone as treatment of diabetic macular edema” (FIS PIO41701 2004-07)”.PI: Jose C. Pastor.

04/05    Grant, Lilly Company, USA: “ProjectClinical trial to reduce diabetic macular edema (B7A-MC-MBDL)”. PI: Mª IsabelLopez.

03/04    Grant, Vistakon Johnson & Johnson,Spain: “Project Comfort of contact lens wearers of Galyfilcon”. PI: JesusMerayo.

02/03    Grant, Junta Castilla y Leon (VA065/02),Spain: “Project Developed of experimental model of corneal excimer refractivesurgery in diabetic rat”. PI: Mª Isabel Lopez.

02/04    Grant,Institute of Health Carlos III,Ministry of Health, Spain: “Project Developed of animal model of LASIK to studycorneal optical quality and wound healing (FIS CBJ 541A.3.01640)”. PI: JesusMerayo.

00/01    Grant, Vistakon Johnson & Johnson,Spain: “Project Comfort of Acuvue2 contact lens in daily wear”. PI: JesusMerayo.

97/00    Grant, Institute of Health Carlos III,Ministry of Health, Spain: “Project Developed of animal model of PRK to studycorneal wound healing (FIS 98/1373)”. PI: Jesus Merayo.

97/08    Grant, Thea Transphyto Laboratories,France: “Project Efficacy of Naaxia in allergic conjunctivitis animal model”.PI: Jesus Merayo.




PUBLICATIONS (peer reviewed)

1    González-CavadaJ, Martin R, Piñero D. Distribution of dry eye signs in young asymptomatic orminimally symptomatic adults. Clinical Experimental Optometry. 2015 (Accepted).(Impact index 1.256 – Q3).

2    González-CavadaJ, Martin R, Piñero D. Clinical characterization of asymptomatic or minimallysymptomatic young patients showing signs compatible with dry eye: A pilotstudy. Eye and Contact Lens. 2015;27. (Impact index 1.679 – Q2).

3    Sapkota K, Martin R, Franco S, Lira M. Commonsymptoms of Nepalese soft contact lens wearers: A pilot study. J Optom. 2015;4:S1888-4296.

4    JonuscheitS, Doughty MJ, Martin R,Río-Cristóbal A, Cruikshank V, Lang S Peripheral nasal-temporal cornealasymmetry in relation to corneal thickness: A Scheimpflug imaging study.Ophthalmic Physiol Opt 2015;35:45-51. (Impact index 2.664 – Q1).

5    Ortiz-ToqueroS, Rodriguez G, De Juan V, Martin R.Repeatability of Placido-Based Corneal Topography in Keratoconus. Optom VisSci. 2014;91:1467–1473. (Impact index 2.038 – Q2).

6    Rio-CristobalA, Martin R. Corneal assessmenttechnologies: Current status. Survey of Ophthalmology. 2014;59:599-614. (Impactindex 3.507 – Q1).

7    De Juan V,Aldaba M, Martin R, Vilaseca M,Herreras JM, Pujol J. Optical quality and intraocular scattering assessed witha double-pass system in eyes with contact lens induced corneal swelling. ContLens Anterior Eye. 2014;37:278-84. doi: 10.1016/j.clae.2014.02.003. (Impactindex 2.000 – Q2).

8    Sánchez I, Martin R, Ussa F. Measurement ofintraocular pressure in a porcine ex vivo model eye. Ophthalmology Research.2014;2:55-64.

9    Ortiz S,Mena L, Rio-San Cristobal, Martin R.Relationships between central and peripheral corneal thickness in differentdegrees of myopia. J Optom. 2014;1: 44–50.

10  De Juan V, Cisneros AB, Martin R. Repeatability of 3D OCTpachymetry in eyes with and without contact lens induced corneal swelling.Advances Computed Tomography. 2013 (Accepted).

11  Sapkota K, Lira M, Martin R, Bhattarai S. Ocularcomplications of soft contact lens wearers in a tertiary eye care centre ofNepal. Contact Lens Ant Eye. 2012 Accepted (impact index 1.421 – Q3).

12  Ortiz S, Martin R, de Juan V. Ocular Toxoplasmosis: a case report.International Journal of Clinical Medicine. 2012 Accepted (Google Scholarimpact 0,12).

13   Martin R, Ortiz S, Rio-San Cristobal A. White-to-white cornealdiameter differences in moderate and high myopic eyes: Partial coherenceinterferometry versus scanning-slit topography. J Cataract Refract Surg. 2013Accepted (impact index 2.264 – Q2).

14  De Juan V, Herreras J, Perez I,Morejon A, Rio-San Cristobal A, Martin R,Fernandez I, Rodriguez G. Refractive stabilization and corneal swelling aftercataract surgery. Optom Vis Sci. 2013;90:31-6 (impact index 2.108 – Q2).

15   Martin R, Izquierdo M, de Juan V, Rodríguez G, Fernández I.Repeatability and Reproducibility of Orbscan II. Optometry Reports.2012;2:1-10.

16  Sanchez I, Plata M, Martin R. Anesthesia method in experimentalvitreo retinal surgery in porcine eyes. Graefes Arch Clin Exp Ophthalmol. 2011(impact index 1.770).

17  Sanchez I, Laukhin V, Moya A, Martin R, Ussa F, Laukhina E, GuimeraA, Villa R, Rovira C, Aguiló J, Veciana J, Pastor JC. Prototype of a nano-structuredsensing contact lens for noninvasive intraocular pressure monitoring. InvestOpthalmol Vis Sci. 2011;52:8310-5 doi: 10.1167/iovs.10-7064 (impact index3.466).

18  Del Rio A, Martin R, Morejon A, Galarreta D. Inter-examiner agreement of theAS-OCT Visante corneal thickness. J Optom. 2011;04:95-102doi:10.1016/S1888-4296(11)70048-6.

19   Martin R, Rachidi H. Stability of posterior corneal elevationone year after myopic LASIK. Clinical Experimental Optometry. 2011 doi:10.1111/j.1444-0938.2011.00665.x. (impact index 1.031).

20  de Juan V, Rodriguez G, Martin R. Bitoric rigid gas permeablecontact lens fitting for the management of a corneal scar caused by herpeszoster ophthalmicus. Clinical Experimental Optometry. 2011. doi:10.1111/j.1444-0938.2011.00658.x (impact index 1.031).

21  de Juan V, Herreras JM, Martin R, Morejon A, Perez I, Rio-SanCristobal A, Rodriguez G. Repeatability and agreement of ARK30 autorefractionafter cataract surgery. Clin Experiment Ophthalmol. 2011;11. doi:10.1111/j.1442-9071.2011.02650.x (impact index 1.755).

22  Laukhin V, Sánchez I, Moya A,Laukhina E, Martin R, Ussa F, RoviraC, Guimera A, Villa R, Aguiló J, Pastor JC, Veciana J. Non-invasive intraocularpressure monitoring with a contact lens engineered with a nanostructuredpolymeric sensing film. Sensors and Actuators: A. Physical 2011;170:36–43doi:10.1016/j.sna.2011.05.021 (impact index 1.933).

23  Moya A, Guimerà A, Sánchez I,Laukin V, Martin R, Ussa F, LaukhinaE, Rovira C, Veciana J, Pastor JC, Villa R, Aguiló J. Discrete portable measuringdevice for monitoring noninvasive intraocular pressure with a nano-structuredsensing contact lens prototype. International Journal of E-Health and MedicalCommunications. 2011;2:1–19 doi:10.4018/jehmc.2011100101.

24  Sanchez I, Martin R, Ussa F, Fernandez-Bueno I. The parameters of the porcineeyeball. Graefes Arch Clin Exp Ophthalmol. 2011;249:475–482 doi:10.1007/s00417-011-1617-9 (impact index 1.770).

25   Martin R, Nuñez L, Sastre J, de Juan V, Rodriguez G. Constancyof the Orbscan acoustic factor to detect CL-induced corneal swelling. ClinicalExperimental Optometry. 2010;16. doi: 10.1111/j.1444-0938.2010.00578.x.

26   Martin R, Rodriguez G, Juan V, Fernandez I, Sanchez I, de laRosa C, de Paz I, Zalama M. Ocular tolerance of a new multipurpose solutionspecifically formulated for daily wear of silicone hydrogel contact lenses.Cont Lens Anterior Eye 2011;34:17-21 (DOI 10.1016/j.clae.2010.09.003).

27   Martin R, Alonso E. Comparison of the number of visits anddiagnostic lenses required to fit RGP, conventional hydrogel and siliconehydrogel contact lenses. J Optom 2010;3:161-166.

28  De Juan V, Martín R, Pérez I, Herreras JM. Influence of axial length inrefractive outcome after cataract surgery. Arch Soc Esp Oftalmol.2010;85:144-148.

29   Martin R, Sanchez I, de la Rosa C, de Juan V, Rodriguez G, dePaz I, Zalama M. Differences in the daily symptoms associated with the siliconehydrogel contact lens wear. Eye & Contact Lens 2010;36:49-53.

30   Martin R, Izquierdo M, Saber A. Investigation of PosteriorCorneal Curvature in CL-induced corneal swelling. Cont Lens Anterior Eye2009;32:288-293 10.1016/j.clae.2009.06.007.

31   Martin R. Keratoconus with high hyperopia. Eye & Contact Lens 2009;35:159-62 doi:10.1097/ICL.0b013e3181a20344.

32   Martin R. Corneal conjunctivalization management with high DkRGP contact lenses. Contact Lens Anterior Eye 2009;32:147–50.doi:10.1016/j.clae.2008.12.005.

33   Martin R, de Juan V, Rodriguez G, Fonseca S, Martin S. Contactlens-induced corneal peripheral swelling: Orbscan repeatability. Optom Vis Sci.2009;86:340-9. zdoi;10.1097/OPX.0b013e318199d095 (impact index 1,638).

34   Martin R, de Juan V, Rodriguez G, Fonseca S, Martin S. Contactlens-induced corneal peripheral swelling differences with extended wear.Cornea. 2008;27:976-9 (impact index 1,776).

35  V de Juan, Martin R, JC Pastor. Correction of secondary anisometropia afterretinal detachment and LASIK surgery. Arch Soc Esp Oftalmol 2007;83:501-503.

36   Martin R, de Juan V, Rodriguez G, Cuadrado R, Fernandez I.Measurement of corneal swelling variations without removal contact lens inextended wear. Invest Ophthalmol Vis Sci. 2007;48:3043-50 (impact index 3.766).

37   Martin R, de Juan V. Reverse geometry contact lens fitting incorneal scar caused by perforating corneal injuries. Cont Lens Anterior Eye2007;30:67-70 (doi:10.1016/j.clae.2006.11.001).

38   Martin R, de Juan V, Rodriguez G, Martin S, Fonseca S. Initialcomfort of lotrafilcon A silicone hydrogel contact lenses versus etafilcon Acontact lenses for extended wear. Cont Lens Anterior Eye 2007;30:23-28(doi:10.1016/ j.clae.2006.11.002).

39   Martin R. Corneal Conjunctivalization in long standing contactlenses wearers. Clin Exp Optom 2007;90:1:26–30(doi:10.1111/j.1444-0938.2006.00083.x).

40   Martin R, Rodriguez G. Reverse geometry contact lens fittingafter corneal refractive surgery. J Refract Surg 2005;21:753:756 (impact index2.399).

41  Rodriguez G; Galarreta D;Merayo-Lloves JM; Martin R; CuadradoR; Villa C; Gutiérrez R. “Refractive surprise after LASIK”. Arch Soc EspOftalmol 2005;80:547-550.

42  Merayo J, Yañez B, Mayo A, Martin R, Pastor JC. Experimental Model of Corneal Haze. J Refract Surg.2001; 17:696-9 (impact index 1.995).


1    R Martin, RMCorrales. Ocular Surface. Science Publishers (A Taylor & Francis GroupCo.). ISBN: 978H1H57808H740H2. 2012. Enfield, NH (USA).

2    R Martin, G Vecilla. Manual de Optometría (Manual of Optometry).Ed. Medica Panamericana, ISBN 978-84-983527-2-6. 2010 Madrid-BuenosAires-Bogotá, Spain-Argentina.

3    R Martin, V de Juan, F Ussa. Exploración del Campo Visual (Visual field exploration). Ed. The Spanish College of Optometry, ISBN978-84-936109-2-0. 2008. Madrid, Spain.

4    R Martin. Contactología Aplicada (Contact Lenses). Ed: Imagen y Communication Multimedia, SL. ISBN84-933569-56. 2005. Madrid, Spain.

5    R Martin, JudithGarcia, Rebeca Martinez, Raquel Sánchez, Mª Isabel López. Guía Clínica para la Exploración de la Visión de losColores (Guideline to explore color vision). Ed. TheSpanish College of Optometry, ISBN 84-931753-2-3. 2002. Madrid, Spain.


1    de Juan V,Campbell S, Rodriguez G, Martin R.Therapeutic use of Contact Lenses. Pag. 288-296 En Martin R, Corrales RM.“Ocular Surface: Anatomy and Physiology, Disorders and Therapeutic Care”.Science Publishers ISBN: 978-1-57808-740-2. 2012. Enfield, NH (USA).

2    Martin R, RodriguezG, de Juan V. Contact lenses definitions. Pag. 249-256 En Martin R, CorralesRM. “Ocular Surface: Anatomy and Physiology, Disorders and Therapeutic Care”.Science Publishers ISBN: 978-1-57808-740-2. 2012. Enfield, NH (USA).

3    Martin R, RodriguezG, de Juan V. Contact lens correction of regular and irregular astigmatism. EnAstigmatism - Optics, Physiology and Management. Editorial InTech - Open AccessPublisher, ISBN 979-953-307-250-9. 2011, Rijeka (Croatia).

4    López MI, Martin R.“Fisiopatología de los principales trastornos oculars” in Principios defisiopatología para la atención farmacéutica. Ed. BGAAsesores, ISBN 978-84-692-3918-6. 2009, Madrid, Spain.

5    R Martin. “CornealRefractive Surgery with Laser: Safety and Effectiveness”, in Schröder LW,Walter FJ Laser Keratectomy: Approaches, Complications and Effectiveness. NovaScience Publishers, Inc. ISBN: 978-1-60456-863-9. 2008, New York, USA.

6    López MI, Martin R.“Terapéutica de las enfermedades de la córnea y cristalino” in Trastornosoftalmológicos y óticos (Módulo I): Trastornos oftalmológicos. Atención farmacéutica. Ed. BGA Asesores, ISBN978-84-690-7178-6. 2007, Madrid, Spain.

7    R Martin. “Adaptación de lentes de contacto de geometría inversapost LASIK miópico”, in Cirugía refractiva, soluciones ópticas a sus fracasos”.Ed Ulleye, ISBN 84-930828-4-8. Xàtiva, 2006, Valencia,Spain.

8    MJ Gonzalez Garcia, I. Arranz de la Fuente, R. Martin. “Práctica 2. Diseño de laFicha” in Manual de Practicas de Contactología. Ed.University of Alicante. ISBN 84-7908-702-1. 2002. Alicante, Spain.

9    MJ Gonzalez Garcia, I. Arranz de la Fuente, R. Martin. “Práctica 1. Historia delCaso”, in Manual de Practicas de Contactología. Ed.University of Alicante. ISBN 84-7908-702-1. 2002. Alicante, Spain.

10   R. Martin, J.M. Manso,J.M. Merayo. "Encuesta piloto para elaborar un programa por objetivos deaprendizaje en Óptica y Optometría”. Ed.University of País Vasco. ISBN 84-7585-376-5. 2000. Guipúzcoa, Spain.