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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.
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Related Experiment Video

Updated: Jul 11, 2025

Author Spotlight: Advancements in Refractive Surgical Correction for Presbyopia and Exploring Postoperative Visual Acuity
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Author Spotlight: Advancements in Refractive Surgical Correction for Presbyopia and Exploring Postoperative Visual Acuity

Published on: September 20, 2024

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Patient Perception and Self-Reported Outcomes with Presbyopia-Correcting Intraocular Lenses (PCIOLs): A Social Media

Dagny Zhu1, Mukesh Dhariwal2, Jun Zhang2

  • 1NVISION Eye Centers - Rowland Heights, 17980 Castleton St, Rowland Heights, CA, 91748, USA. dagny.zhu@gmail.com.

Ophthalmology and Therapy
|November 10, 2023
PubMed
Summary

Social media analysis reveals that patient satisfaction with presbyopia-correcting intraocular lenses (PCIOLs) is strongly linked to achieving spectacle independence. Quality of vision and visual disturbances like halos are key patient concerns.

Keywords:
Cataract surgeryEDOFMultifocalPatient experiencePatient forumPresbyopiaPresbyopia-correcting intraocular lensRefractive surgerySocial media listeningTrifocal

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Area of Science:

  • Ophthalmology
  • Medical Technology
  • Patient-Reported Outcomes

Background:

  • Presbyopia-correcting intraocular lenses (PCIOLs) offer spectacle independence for cataract patients.
  • Understanding patient perceptions and real-world outcomes is crucial for PCIOL adoption.

Purpose of the Study:

  • To analyze patient perceptions and outcomes of various PCIOLs using social media data.
  • To identify key themes and influencing factors in patient experiences with PCIOLs.

Main Methods:

  • Retrospective analysis of 2237 social media posts (Reddit, YouTube, Facebook, forums) in English.
  • Data collected from September 2020 to October 2022, focusing on seven PCIOLs.
  • Thematic analysis of posts regarding vision quality, patient experience, and visual disturbances.

Main Results:

  • Quality of vision (69%) and visual disturbances (24%) were primary discussion topics.
  • Vivity®, PanOptix®, and Synergy® were the most discussed PCIOLs.
  • Achieving spectacle independence was a significant driver of patient satisfaction, despite common visual disturbances like halos (66%).

Conclusions:

  • Social media offers valuable insights into patient satisfaction and experiences with PCIOLs.
  • These findings can supplement traditional clinical trial data.
  • Understanding patient-reported outcomes can guide future PCIOL development and patient counseling.