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Related Concept Videos

Glaucoma: Overview01:25

Glaucoma: Overview

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Glaucoma is an eye condition characterized by increased intraocular pressure that damages the retina and optic nerve, leading to irreversible blindness if left untreated. The human eye has various components, including the cornea, iris, pupil, lens, and optic nerve. Aqueous humor is secreted by the epithelium of the ciliary body in the posterior chamber and flows through the trabecular meshwork and canal of Schlemm, maintaining normal intraocular pressure. The trabecular meshwork and the canal...
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Open Angle Glaucoma: Treatment01:27

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In open-angle glaucoma, the iridocorneal angle remains open, but the trabecular meshwork becomes stiff, slowing down the outflow of aqueous humor. This causes a buildup of aqueous humor in the anterior chamber, leading to a sudden increase in intraocular pressure. The treatment for open-angle glaucoma focuses on reducing the elevated intraocular pressure by either decreasing the secretion of aqueous humor or increasing its outflow.
Drugs such as carbonic anhydrase inhibitors, α2- and...
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Methods of Documentation VII: EMR

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Electronic Medical Records (EMRs) primarily center around electronically documenting patients' health information within a single healthcare organization or practice. They contain essential clinical data related to a patient's medical history, diagnoses, medications, treatment plans, lab results, and other pertinent information relevant to the specific encounter or episode of care. EMRs are designed to streamline documentation and workflow processes within individual healthcare...
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Related Experiment Video

Updated: Jul 15, 2025

Assessing Early Stage Open-Angle Glaucoma in Patients by Isolated-Check Visual Evoked Potential
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A prototype protocol for evaluating the real-world data set using a structured electronic health record in glaucoma.

Sakari Sulonen1, Sanna Leinonen1,2, Eemil Lehtonen1

  • 1Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland.

Acta Ophthalmologica
|September 27, 2023
PubMed
Summary

A new glaucoma electronic healthcare record (EHR) system captures real-world data, enabling comparisons between clinics. The system effectively records clinical evaluations for optic nerve head, retinal nerve fibre layer, and visual field tests.

Keywords:
electronic health recordglaucomareal-world datareporting protocol

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Area of Science:

  • Ophthalmology
  • Medical Informatics
  • Public Health

Background:

  • Glaucoma management requires consistent monitoring and data collection.
  • Electronic healthcare records (EHRs) offer potential for structured data capture in specialized clinics.
  • Real-world data is crucial for evaluating the effectiveness of clinical guidelines and care pathways.

Purpose of the Study:

  • To report real-world data from the first year of a prototype glaucoma-specific structured EHR.
  • To establish a baseline for monitoring and evaluating day-to-day glaucoma care.
  • To assess the feasibility and utility of structured EHR data for glaucoma management.

Main Methods:

  • A glaucoma-specific EHR was implemented at Tays Eye Centre, Finland, in 2019.
  • Trained nurses entered patient data, which glaucoma specialists reviewed.
  • Glaucoma diagnosis followed the Finnish Current Care Guideline using a '2 out of 3' rule for optic nerve head (ONH), retinal nerve fibre layer (RNFL), and visual field (VF) assessments.

Main Results:

  • Clinical evaluations of ONH, RNFL, and VF were recorded in 95%-100% of eyes.
  • Optic nerve head (ONH) was more frequently evaluated as glaucomatous (44%) compared to RNFL (33%) and VF tests (30%).
  • Progressive changes were noted in 35% of the '≥2/3 glaucoma group', versus 2%-9% in other groups. Mean intraocular pressure (IOP) was 15 mmHg, with a target IOP of 17 mmHg recorded in 94% of eyes.

Conclusions:

  • The structured EHR facilitates comparisons of real-world glaucoma data across different clinics and populations.
  • Tays Eye Centre showed a lower proportion of glaucoma suspicion visits and longer test intervals compared to a UK data set.
  • The developed EHR system provides a valuable tool for standardized glaucoma care monitoring and research.