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Skin Diseases and Disorders01:23

Skin Diseases and Disorders

Skin is the first line of defense and encounters a variety of microbes. Some pathogenic strains are often the cause of a broad range of infections of the skin and other body systems. These conditions can affect people of all ages and may have different causes, including genetic factors, infections, autoimmune reactions, environmental factors, and lifestyle choices.
Gram-positive Staphylococcus spp. and Streptococcus spp. are responsible for many of the most common skin infections. However, many...
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...
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...
Sexually Transmitted Infections01:26

Sexually Transmitted Infections

Sexually transmitted infections (STIs) are diseases transmitted primarily through unsafe sexual interactions. Bacteria, viruses, or parasites cause them and can result in severe health complications if untreated.ChlamydiaThe bacterium Chlamydia trachomatis is responsible for the disease Chlamydia, the most common STI in the United States. This peculiar pathogen requires human cells to reproduce, residing intracellularly. The initial infection often goes unnoticed because it typically does not...
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...
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...

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Updated: Jul 12, 2026

A Chronic Autoimmune Dry Eye Rat Model with Increase in Effector Memory T Cells in Eyeball Tissue
09:42

A Chronic Autoimmune Dry Eye Rat Model with Increase in Effector Memory T Cells in Eyeball Tissue

Published on: June 7, 2017

眼は,全身性炎症性疾患における眼である.

Peter McCluskey1, Richard J Powell

  • 1Department of Ophthalmology at St Vincent's Hospital and Royal Prince Alfred Hospital, Sydney, Australia. iritis@ozemail.com.au

Lancet (London, England)
|December 14, 2004
PubMed
まとめ

系統的炎症性疾患は,様々な目の構造に影響を与えることで,視力を脅かす可能性があります. 眼の炎症と感染を区別することは,特に免疫不全の患者では極めて重要です.

科学分野:

  • オフタルモロジック (眼科)
  • レウマトロジーの病理学
  • 内科内科は,内科の内科である.

背景:

  • システム性炎症疾患は,硬膜,角膜,網膜,軌道を含む眼球構造に頻繁に影響します.
  • これらの症状は視力に重大なリスクをもたらし,血管疾患や粒状炎症性疾患を含む.
  • 眼の合併症は,直接の炎症,缺血 (例えば,動脈炎),高血圧性網膜症,またはクロロクインマキュロパシーのような薬剤の副作用から生じる可能性があります.

研究 の 目的:

  • 系統的炎症性疾患の様々な眼の症状を強調する.
  • 内生性眼内炎を感染から区別することで生じる診断上の課題を強調する.
  • 特定の患者集団における感染を排除することの重要性を強調するために.

主な方法:

  • 臨床プレゼンテーションのレビューと,全身の炎症状態と眼疾患の間の既知の関連性.
  • 視力喪失の潜在的な原因の分析,直接の炎症,缺血,薬物の毒性を含む.
  • 診断戦略の議論,特に感染の疑いのある症例における微生物学的調査の役割.

主要な成果:

  • システミックな炎症は,目の直接的な損傷と,イシュケミアや薬物誘発性マキュロパシーなどの二次的な合併症につながる可能性があります.
  • 眼感染症,特に免疫不全の個体では,内生性眼内炎症を模倣することがあります.

さらに関連する動画

Comparing Objective Conjunctival Hyperemia Grading and the Ocular Surface Disease Index Score in Dry Eye Syndrome During COVID-19
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Comparing Objective Conjunctival Hyperemia Grading and the Ocular Surface Disease Index Score in Dry Eye Syndrome During COVID-19

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Establishing a Severe Corneal Inflammation Model in Rats Based on Corneal Epithelium Curettage Combined with Corneal Sutures
04:48

Establishing a Severe Corneal Inflammation Model in Rats Based on Corneal Epithelium Curettage Combined with Corneal Sutures

Published on: November 22, 2024

関連する実験動画

Last Updated: Jul 12, 2026

A Chronic Autoimmune Dry Eye Rat Model with Increase in Effector Memory T Cells in Eyeball Tissue
09:42

A Chronic Autoimmune Dry Eye Rat Model with Increase in Effector Memory T Cells in Eyeball Tissue

Published on: June 7, 2017

Comparing Objective Conjunctival Hyperemia Grading and the Ocular Surface Disease Index Score in Dry Eye Syndrome During COVID-19
06:29

Comparing Objective Conjunctival Hyperemia Grading and the Ocular Surface Disease Index Score in Dry Eye Syndrome During COVID-19

Published on: May 25, 2022

Establishing a Severe Corneal Inflammation Model in Rats Based on Corneal Epithelium Curettage Combined with Corneal Sutures
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Establishing a Severe Corneal Inflammation Model in Rats Based on Corneal Epithelium Curettage Combined with Corneal Sutures

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  • 感染は考慮され,高リスク患者の眼内液と組織の適切な採取と培養によって排除されなければならない.

    • 結論:

    • システミック炎症性疾患における眼の関与は,包括的な評価を必要とします.
    • 炎症と感染を慎重に区別することは,適切な管理と視力の保全に不可欠です.
    • 診断用パラセンテシスと微生物培養は,免疫不全の患者で,眼内炎症の疑いがある場合に不可欠です.