Miguel J. Maldonado

ORCID: 0000-0002-1021-3275
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About
Contact & Profiles
Research Areas
  • Corneal surgery and disorders
  • Glaucoma and retinal disorders
  • Ophthalmology and Visual Impairment Studies
  • Intraocular Surgery and Lenses
  • Ocular Surface and Contact Lens
  • Corneal Surgery and Treatments
  • Ocular Infections and Treatments
  • Retinal and Macular Surgery
  • Retinal Diseases and Treatments
  • Retinal Imaging and Analysis
  • Analytical Chemistry and Sensors
  • French Urban and Social Studies
  • Laser Applications in Dentistry and Medicine
  • Connexins and lens biology
  • Sinusitis and nasal conditions
  • Allergic Rhinitis and Sensitization
  • Ocular and Laser Science Research
  • Optical Coherence Tomography Applications
  • Oral and Maxillofacial Pathology
  • Tumors and Oncological Cases
  • Spectroscopy Techniques in Biomedical and Chemical Research
  • Nasal Surgery and Airway Studies
  • Youth Culture and Social Dynamics
  • Ocular Disorders and Treatments
  • Soft tissue tumor case studies

Universidad de Valladolid
2015-2024

Instituto de Salud Carlos III
2019-2024

Ministry of Economy, Industry and Competitiveness
2022

Junta de Castilla y León
2022

Staar Surgical (United States)
2022

Swansea Bay University Health Board
2022

Singleton Hospital
2022

Instituto de Biomedicina y Genética Molecular de Valladolid
2020

Universidad de Murcia
2017

Biomedical Research Networking Center in Bioengineering, Biomaterials and Nanomedicine
2016

To evaluate the clinical features of keratoconus taking into consideration anterior corneal aberrations, internal astigmatism, and biomechanical properties to define a new grading system based on visual limitation.Vissum Corporation, Alicante, Spain.Retrospective case series.This multicenter study comprised consecutive keratoconic eyes with no previous ocular surgery or active disease. Visual, refractive, topography, pachymetry outcomes were analyzed. Internal astigmatism was calculated by...

10.1016/j.jcrs.2010.10.046 article EN Journal of Cataract & Refractive Surgery 2011-02-18

To assess the reproducibility of ocular response analyzer (ORA) in nonoperated eyes and impact corneal biomechanical properties on intraocular pressure (IOP) measurements normal glaucomatous eyes.In reliability study, two independent examiners obtained repeated ORA 30 eyes. In clinical analyzed IOP-Goldmann values from 220 42 both studies, Goldmann-correlated IOP measurement (IOP-ORAg), corneal-compensated (IOP-ORAc), hysteresis (CH), resistance factor (CRF) were evaluated. differences 3 mm...

10.1167/iovs.07-0280 article EN Investigative Ophthalmology & Visual Science 2008-03-01

AIMS--A prospective, randomised, double blind, placebo controlled study of intraoperative mitomycin C as adjunctive treatment primary pterygium was conducted. METHODS--A total 66 eyes 54 patients with were treated excision, or without a single application (0.1 mg/ml for 5 minutes) to evaluate the efficacy and toxicity this treatment. The mean follow up 14.1 months (range 12-23 months). RESULTS--Of 36 that underwent simple 14 (38.8%) exhibited recurrences whereas only one 30 (3.33%) excision...

10.1136/bjo.79.5.439 article EN British Journal of Ophthalmology 1995-05-01

This study was intended to assess the reliability of central corneal thickness (CCT) measurements using Cirrus high-definition optical coherence tomography (HD-OCT) in healthy subjects and its accuracy compared with ultrasonic pachymetry.Seventy-seven consecutive were recruited for evaluating repeatability, agreement between two examiners. To analyze one examiner measured 77 eyes four times succession. observers, a second independently trained obtained another CCT measurement. We also...

10.1167/iovs.11-9033 article EN Investigative Ophthalmology & Visual Science 2012-03-07

To assess the intrasession and intersession precision of ocular, corneal, internal higher-order aberrations (HOAs) measured using an integrated topographer Hartmann-Shack wavefront sensor (Topcon KR-1W) in refractive surgery candidates.IOBA-Eye Institute, Valladolid, Spain.Evaluation diagnostic technology.To analyze repeatability, 1 experienced examiner eyes 9 times successively. study reproducibility, same clinician obtained measurements from another set 2 consecutive sessions week apart....

10.1016/j.jcrs.2012.08.061 article EN Journal of Cataract & Refractive Surgery 2012-11-09

Aim Salivary cortisol, α-amylase (sAA), secretory IgA (sIgA), testosterone, and soluble fraction of receptor II TNFα (sTNFαRII) could serve as objective pain measures, but the normal variability these potential biomarkers is unknown. Patients & Methods Saliva was collected with passive secretion method from 34, pain-free subjects in two single samples at least 24 hours apart. Biomarker variation intersession reliability were assessed intraclass correlation coefficient (ICC). Also, we...

10.1371/journal.pone.0166976 article EN cc-by PLoS ONE 2016-12-01

The aim of this study is to evaluate the incidence, natural course, and distribution pattern superficial punctate keratopathy describe changes in signs symptoms dry eye after cataract surgery.The setting University Hospital Rio Hortega Instituto Universitario de Oftalmobiología Aplicada, Valladolid, Spain.This a prospective interventional study.In total, 55 eyes different patients with no history underwent standard phacoemulsification through 2.75-mm-wide corneal incision. We measured tear...

10.1177/1120672119896427 article EN European Journal of Ophthalmology 2020-01-05

To analyze the intraoperative and postoperative complications of Cionni ring implantation in eyes with a subluxated lens or zonular weakness.Departamento de Oftalmología, Clínica Universitaria Navarra, Universidad Pamplona, Spain.This case series comprised 7 5 patients weakness secondary to Marfan's syndrome (n = 2), traumatic cataract megalocornea 1) unknown etiology 2). An AcrySof (Alcon) foldable intraocular (IOL) was implanted all eyes. A 2-eyelet 1 eye 1-eyelet ring, 6 The secured...

10.1016/s0886-3350(02)01604-8 article EN Journal of Cataract & Refractive Surgery 2003-03-01

Purpose To analyze the effect of central hole location in V4c implantable collamer lens (ICL) on quality vision, including progressive headlight glare simulation and life. Setting IOBA-Eye Institute, Valladolid, Spain. Design Case series. Methods The was determined by slitlamp dual Scheimpflug imaging for 6 months or more postoperatively. visual acuity, mesopic contrast sensitivity, halogen xenon photostress recovery time after glare, de Boer scale, Quality Life Impact Refractive Correction...

10.1016/j.jcrs.2019.06.022 article EN Journal of Cataract & Refractive Surgery 2019-11-01
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