Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Accessory Structures of the Eye

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...

Angle Closure Glaucoma: Treatment

Angle Closure Glaucoma: Treatment

Angle-closure glaucoma, or closed-angle glaucoma, is an eye condition where the iris bulges out and blocks the iridocorneal angle, resulting in a buildup of aqueous humor and increased intraocular pressure. Immediate medical attention is necessary due to the sudden onset of symptoms. The treatment for angle-closure glaucoma includes short-term and long-term approaches. Short-term treatment involves using eye drops like pilocarpine to lower intraocular pressure by increasing aqueous humor...

Glaucoma: Overview

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 Pathways

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...

Muscles of the Eye

Muscles of the Eye

The muscles of the eye are sophisticated structures that control eye movement and focus, allowing for the precise and rapid adjustments necessary for vision. The human eye is controlled by ten muscles — six extraocular muscles, three intraocular muscles, and one primary eyelid retractor muscle.
Extraocular Muscles
The six extraocular muscles surround the eyeball and control its movements. They are responsible for a wide range of eye motions, including looking up, down, left, right, and rotating...

Cirrhosis I: Introduction

Cirrhosis I: Introduction

Cirrhosis is a chronic, irreversible liver disease characterized by the widespread replacement of healthy liver tissue with fibrotic scar tissue and the formation of regenerative nodules.Etiology of cirrhosisCirrhosis results from sustained liver injury that triggers progressive fibrosis and structural remodeling. The underlying causes are diverse, encompassing common and less frequent clinical conditions. Regardless of the origin, all causes lead to chronic inflammation, hepatocyte loss, and...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Comparison of Efficacy of Low-Level Light Therapy and Intense Pulsed Light Therapy in Patients with Dry Eyes.

Journal of the College of Physicians and Surgeons--Pakistan : JCPSP·2025

Same author

Intravitreal Bevacizumab (IVB) for Macular Edema Secondary to Branch Retinal Vein Occlusion (BRVO).

Journal of the College of Physicians and Surgeons--Pakistan : JCPSP·2018

Same author

Combined Intravitreal Triamcenolone Acetonide and Bevacizumab for Refractory Diabetic Macular Edema.

Journal of the College of Physicians and Surgeons--Pakistan : JCPSP·2018

Same author

TNF-α Genetic Predisposition and Higher Expression of Inflammatory Pathway Components in Keratoconus.

Investigative ophthalmology & visual science·2017

Same author

Role of ACE and PAI-1 Polymorphisms in the Development and Progression of Diabetic Retinopathy.

PloS one·2015

Same author

Partial Oculocutaneous Albinism: Two Siblings with Features of both Hermansky Pudlak and Waardenburg's Syndrome.

Journal of the College of Physicians and Surgeons--Pakistan : JCPSP·2015

Same journal

Cerebral Cysticercosis Manifesting 20 Years after Primary Cutaneous Disease.

Journal of the College of Physicians and Surgeons--Pakistan : JCPSP·2026

Same journal

Primary Leiomyosarcoma of the Pancreas with Liver Metastasis: Challenges and Possible Treatment Approaches.

Journal of the College of Physicians and Surgeons--Pakistan : JCPSP·2026

Same journal

Rising Trend of Cancer in Pakistan: An Urgent Call for Action.

Journal of the College of Physicians and Surgeons--Pakistan : JCPSP·2026

Same journal

Conflicting Roles of Urotensin II in Chronic Kidney Disease: Insights from Clinical and Mechanistic Studies.

Journal of the College of Physicians and Surgeons--Pakistan : JCPSP·2026

Same journal

Invasive Fibromatosis Adjacent to the Twelfth Thoracic Vertebra and Involving the Oesophagus.

Journal of the College of Physicians and Surgeons--Pakistan : JCPSP·2026

Same journal

Low-Density Lipoprotein Cholesterol Rebound: Rethinking Appendectomy in Coronary Heart Disease.

Journal of the College of Physicians and Surgeons--Pakistan : JCPSP·2026

See all related articles

Search research articles

Related Experiment Video

Updated: Jun 20, 2026

Iris Fixation via External Pentagram Suturing

Iris Fixation via External Pentagram Suturing

Published on: May 5, 2022

Phthiriasis palpebrarum.

Muhammad Khizar Niazi¹, Muhammad Aamir Arain

¹Department of Opthalmology, Military Hospital, Rawalpindi.

Journal of the College of Physicians and Surgeons--Pakistan : JCPSP

|September 5, 2009

Summary

This summary is machine-generated.

Phthiriasis palpebrarum, a rare eyelid lice infestation, can cause blepharoconjunctivitis. Mechanical removal is an effective treatment for this condition, preventing recurrence.

More Related Videos

Surgical Correction for Pediatric Epiblepharon and Trichiasis

Surgical Correction for Pediatric Epiblepharon and Trichiasis

Published on: July 8, 2025

Related Experiment Videos

Last Updated: Jun 20, 2026

Iris Fixation via External Pentagram Suturing

Iris Fixation via External Pentagram Suturing

Published on: May 5, 2022

Surgical Correction for Pediatric Epiblepharon and Trichiasis

Surgical Correction for Pediatric Epiblepharon and Trichiasis

Published on: July 8, 2025

Area of Science:

Ophthalmology
Dermatology
Parasitology

Background:

Phthiriasis palpebrarum, an eyelid lice infestation, is uncommon and may manifest as blepharoconjunctivitis.
This condition is typically observed in lower socioeconomic populations.
Transmission occurs via sexual contact, shared linens, or clothing.

Observation:

A case study involving a family with phthiriasis palpebrarum is presented.
The primary source of infestation was identified as the paternal uncle of two affected children.
The clinical presentation included symptoms suggestive of blepharoconjunctivitis.

Findings:

Mechanical removal of lice and nits was the primary treatment modality.
This method proved highly effective in eradicating the infestation.
No recurrence of phthiriasis palpebrarum was noted after treatment.

Implications:

Highlights the importance of considering phthiriasis palpebrarum in cases of blepharoconjunctivitis, even when rare.
Demonstrates the efficacy of mechanical removal as a safe and effective treatment.
Emphasizes the need for thorough contact tracing and family screening to prevent transmission and recurrence.