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Related Concept Videos

Genetic Lingo01:11

Genetic Lingo

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Human genetics provides a profound framework for understanding the interplay between genetic predispositions and human psychology. At the heart of this discipline lies the study of how genes influence physical traits, behaviors, and susceptibility to diseases. Each person carries a unique genetic code that subtly or significantly shapes their psychological and behavioral landscape.
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At the molecular level, visual signals trigger transformations in photopigment molecules, resulting in changes in the photoreceptor cell's membrane potential. The photon's energy level is denoted by its wavelength, with each specific wavelength of visible light associated with a distinct color. The spectral range of visible light, classified as electromagnetic radiation, spans from 380 to 720 nm. Electromagnetic radiation wavelengths exceeding 720 nm fall under the infrared category, whereas...
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Related Experiment Video

Updated: Jul 13, 2026

In vivo Structural Assessments of Ocular Disease in Rodent Models using Optical Coherence Tomography
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Published on: July 24, 2020

Shared Genetic Architecture and Multidimensional Modifiable Correlates between Myopia and Retinal-Optic Nerve

Yuelan Gao1,2, Jianming Xu1,2, Jun Yu1

  • 1Department of Ophthalmology and Visual Sciences, The Chinese University of Hong Kong, Hong Kong, China.

Ophthalmology Science
|July 12, 2026
PubMed
Summary

Myopia shares genetic links with retinal-optic nerve diseases (RONDs), increasing risks for retinal detachment and glaucoma. Lifestyle factors also interact with these genetic predispositions in myopic individuals.

Keywords:
Causal inferenceGene–environment interactionMyopiaPleiotropyRetinal and optic nerve–related diseases

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Area of Science:

  • Ophthalmology and Genetics
  • Complex disease architecture
  • Gene-environment interactions

Background:

  • Myopia is a growing global health concern.
  • Retinal-optic nerve diseases (RONDs) represent a significant cause of vision impairment.
  • Understanding shared risk factors between myopia and RONDs is crucial for prevention and treatment.

Purpose of the Study:

  • To investigate the shared genetic architecture between myopia and five common RONDs.
  • To identify modifiable lifestyle and environmental correlates associated with myopia and ROND comorbidity.
  • To explore gene-environment interactions in the context of myopia and RONDs.

Main Methods:

  • Utilized UK Biobank data from 81,491 participants.
  • Conducted genetic pleiotropy, cross-trait analyses, and Mendelian randomization.
  • Examined associations between myopia and RONDs, including retinal detachment, glaucoma subtypes, diabetic retinopathy, and age-related macular degeneration.

Main Results:

  • Myopia associated with increased risk of retinal detachment and primary open-angle glaucoma, and decreased risk of primary angle-closure glaucoma.
  • Significant genetic correlations and 66 pleiotropic loci identified between myopia and RONDs.
  • Modifiable factors including diet, sleep, and mental health correlated with myopia-ROND comorbidity.

Conclusions:

  • Myopia and RONDs share significant genetic underpinnings.
  • Identified modifiable factors offer potential targets for intervention in myopic populations.
  • Findings support further research into personalized prevention strategies for vision disorders.