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Related Concept Videos

Photoreceptors and Visual Pathways01:22

Photoreceptors and Visual Pathways

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...
Accessory Structures of the Eye01:17

Accessory Structures of the Eye

Optical perception, or vision, is an extraordinary sense dependent on converting light signals received via the ocular organs. These organs, known as eyes, are securely positioned within the bony cavities of the skull, called orbits. The orbits serve a dual purpose: a protective shield for the ocular globes and a stable attachment point for the soft ocular tissues. The eye's external protective mechanisms include the eyelids, which are edged with lashes that act as a barrier against foreign...
Glaucoma: Overview01:25

Glaucoma: Overview

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...
Diabetic Retinopathy01:27

Diabetic Retinopathy

DefinitionDiabetic retinopathy is a microvascular complication of diabetes affecting the retinal blood vessels.Risk FactorsDiabetic retinopathy is present in almost all individuals with type 1 diabetes and more than 60% of those with type 2 diabetes after two decades of disease.The risk increases with poor glycemic control, hypertension, dyslipidemia, smoking, pregnancy, and puberty.Although cataracts and glaucoma are also more frequent in people with diabetes, retinopathy remains the leading...
Open Angle Glaucoma: Treatment01:27

Open Angle Glaucoma: Treatment

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...
Microbiome of the Eye01:22

Microbiome of the Eye

The human eye has a specialized microbiota that reflects its unique anatomical and immunological environment. This low-biomass microbial community predominantly colonizes the conjunctiva and eyelid margins, playing a vital role in ocular surface homeostasis and defense. Despite its proximity to the richly colonized facial skin, the ocular surface maintains a distinct microbial profile due to continuous mechanical and biochemical defense mechanisms.The conjunctival surface hosts fewer microbial...

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Related Experiment Video

Updated: May 29, 2026

Dynamic Visual Tests to Identify and Quantify Visual Damage and Repair Following Demyelination in Optic Neuritis Patients
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Published on: April 14, 2014

Depression and visual functioning in patients with ocular inflammatory disease.

Ying Qian1, Tanya Glaser, Elizabeth Esterberg

  • 1Francis I. Proctor Foundation, University of California, San Francisco, CA 94143-0412, USA.

American Journal of Ophthalmology
|September 20, 2011
PubMed
Summary

Depression affects nearly 27% of patients with ocular inflammatory disease, often undiagnosed. Lower visual function and inadequate support are key predictors, highlighting the need for increased awareness and screening.

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Published on: May 25, 2022

Area of Science:

  • Ophthalmology
  • Psychiatry
  • Clinical Medicine

Background:

  • Ocular inflammatory diseases (OIDs) can significantly impact patient well-being.
  • Mental health comorbidities, such as depression, may be prevalent but underrecognized in this population.

Purpose of the Study:

  • To determine the prevalence of depression in patients with OIDs.
  • To identify clinical and psychosocial predictors of depression in this cohort.

Main Methods:

  • A prospective cross-sectional survey and medical record review were conducted.
  • 104 patients with noninfectious OIDs completed the Beck Depression Inventory-II (BDI-II) and the National Eye Institute Visual Function Questionnaire-25 (NEI VFQ-25).
  • Multivariate regression analysis identified significant predictors of depression.

Main Results:

  • 26.9% of participants screened positive for depression using the BDI-II, with only 39.3% having a prior diagnosis.
  • Depressed patients reported significantly lower visual functioning across most NEI VFQ-25 subscales.
  • Inadequate emotional support, poorer visual function, recent changes in immunomodulatory treatment, and current oral corticosteroid use were significant predictors of depression.

Conclusions:

  • Depression is a common and often overlooked comorbidity in patients with OIDs.
  • Worsening visual function is strongly associated with depression in this group.
  • Healthcare providers should increase awareness and screening for depression in patients with OIDs.