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Vision, Volume 9, Issue 4

December 2025 - 15 articles

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Articles (15)

  • Article
  • Open Access

Clinical Evaluation of an Affordable Handheld Wavefront Autorefractor in an Adult Population in a Low-Resource Setting in the Amazonas

  • David Tayah,
  • Ricardo Noguera Louzada,
  • Pedro Lucas Machado Magalhães,
  • Youssef Tayah,
  • Dillan Cunha Amaral,
  • Chow Wang Ming Shato,
  • Daniel Oliveira Dantas and
  • Milton Ruiz Alves

6 November 2025

This study evaluates the ability of the QuickSee Free (QSF) portable autorefractor (PlenOptika) to detect and measure refractive error compared to subjective clinical refractometry (SCR) in a Brazilian adult population in a low-resource setting in Am...

  • Article
  • Open Access
216 Views
19 Pages

Comparative Analysis of Transformer Architectures and Ensemble Methods for Automated Glaucoma Screening in Fundus Images from Portable Ophthalmoscopes

  • Rodrigo Otávio Cantanhede Costa,
  • Pedro Alexandre Ferreira França,
  • Alexandre César Pinto Pessoa,
  • Geraldo Braz Júnior,
  • João Dallyson Sousa de Almeida and
  • António Cunha

3 November 2025

Deep learning for glaucoma screening often relies on high-resolution clinical images and convolutional neural networks (CNNs). However, these methods face significant performance drops when applied to noisy, low-resolution images from portable device...

  • Article
  • Open Access
264 Views
21 Pages

Biases in Perceiving Positive Versus Negative Emotions: The Influence of Social Anxiety and State Affect

  • Vivian M. Ciaramitaro,
  • Erinda Morina,
  • Jenny L. Wu,
  • Daniel A. Harris and
  • Sarah A. Hayes-Skelton

1 November 2025

Models suggest social anxiety is characterized by negative processing biases. Negative biases also arise from negative mood, i.e., state affect. We examined how social anxiety influences emotional processing and whether state affect, or mood, modifie...

  • Article
  • Open Access
189 Views
29 Pages

In-Vivo Characterization of Healthy Retinal Pigment Epithelium and Photoreceptor Cells from AO-(T)FI Imaging

  • Sohrab Ferdowsi,
  • Leila Sara Eppenberger,
  • Safa Mohanna,
  • Oliver Pfäffli,
  • Christoph Amstutz,
  • Lucas M. Bachmann,
  • Michael A. Thiel and
  • Martin K. Schmid

1 November 2025

We provide an automated characterization of human retinal cells, i.e., RPE’s based on the non-invasive AO-TFI retinal imaging and PR’s based on the non-invasive AO-FI retinal imaging on a large-scale study involving 171 confirmed healthy...

  • Review
  • Open Access
237 Views
17 Pages

Birefringence of the Human Cornea: A Review

  • Sudi Patel,
  • Larysa Tutchenko and
  • Igor Dmytruk

28 October 2025

Background: This paper aims to provide an overview of corneal birefringence (CB), systematize the knowledge and current understanding of CB, and identify difficulties associated with introducing CB into mainstream clinical practice. Methods: Literatu...

  • Article
  • Open Access
356 Views
13 Pages

Prevalence of Keratoconus and Associated Risk Factors Among High School Students in Couva, Trinidad: A Cross-Sectional Study

  • Ngozika Esther Ezinne,
  • Shinead Phagoo,
  • Ameera Roopnarinesingh and
  • Michael Agyemang Kwarteng

20 October 2025

Purpose: This study aimed to determine the prevalence and associated risk factors of keratoconus (KC) among high school students in Couva, Trinidad and Tobago. Method: A cross-sectional, school-based approach was used, involving a simple random sampl...

  • Article
  • Open Access
313 Views
13 Pages

15 October 2025

Face recognition is an important skill that helps people make social judgments by identifying both who a person is and other characteristics such as their expression, age, and ethnicity. Previous models of face processing, such as those proposed by B...

  • Article
  • Open Access
323 Views
11 Pages

15 October 2025

Glaucoma management relies on lowering intraocular pressure (IOP), but determining the target reduction at presentation is challenging, particularly in normal-tension glaucoma (NTG). We developed and internally validated a neural network regression m...

  • Article
  • Open Access
457 Views
12 Pages

Clinical Assessment of a Virtual Reality Perimeter Versus the Humphrey Field Analyzer: Comparative Reliability, Usability, and Prospective Applications

  • Marco Zeppieri,
  • Caterina Gagliano,
  • Francesco Cappellani,
  • Federico Visalli,
  • Fabiana D’Esposito,
  • Alessandro Avitabile,
  • Roberta Amato,
  • Alessandra Cuna and
  • Francesco Pellegrini

11 October 2025

Background: This study compared the performance of a Head-mounted Virtual Reality Perimeter (HVRP) with the Humphrey Field Analyzer (HFA), the standard in automated perimetry. The HFA is the established standard for automated perimetry but is constra...

  • Article
  • Open Access
479 Views
15 Pages

9 October 2025

This study aimed to evaluate the performance of seven advanced AI Large Language Models (LLMs)—ChatGPT 4o, ChatGPT O3 Mini, ChatGPT O1, DeepSeek V3, DeepSeek R1, Gemini 2.0 Flash, and Grok-3—in answering multiple-choice questions (MCQs) i...

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Vision - ISSN 2411-5150