Stye - Acute Infection of Eyelash

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Questions and Answers

What is the underlying cause of the painful swelling in a Stye?

Infection of eyelash sebaceous glands

What is the primary purpose of applying hot fomentations in the treatment of a Stye?

To bring the pus to a head

In what circumstances would systemic antibiotics be prescribed for a Stye?

If needed

What is the significance of epilation of the affected lash in the treatment of a Stye?

Removing the source of the infection Signup and view all the answers

What is the progression of the swelling in a Stye?

Diffuse initially, becomes localized with pus Signup and view all the answers

What are the common clinical effects of a severely damaged eye?

Mechanical damage, risk of infection, chemical effects of retained intraocular foreign bodies, and sympathetic ophthalmitis. Signup and view all the answers

What is the most common presentation of retinoblastoma in children?

Leukocoria Signup and view all the answers

What is the purpose of removing a long optic nerve stump during enucleation for retinoblastoma?

To prevent metastasis of the tumor to the brain. Signup and view all the answers

What is the treatment of choice for small, localized retinoblastoma tumors?

Local therapy (LASER or Cryotherapy) Signup and view all the answers

What is the procedure of choice for orbital spread of retinoblastoma?

Exenteration (removal of whole orbital tissue with globe) Signup and view all the answers

Why is CT scan avoided in the investigation of retinoblastoma?

To prevent secondary malignancies Signup and view all the answers

What is the potential complication of blood organization in the anterior chamber angle?

peripheral anterior synechiae and secondary angle-closure glaucoma Signup and view all the answers

What is the clinical presentation of open globe injuries?

sudden vision impairment, shallow, irregular anterior chamber with hypotony, and associated secondary uveitis, uveal prolapse, or vitreous prolapse Signup and view all the answers

What is the indication for surgical evacuation in patients with hyphema?

uncontrolled glaucoma or total hyphema (8-ball hyphema) Signup and view all the answers

What is the purpose of topical steroids in the treatment of hyphema?

to prevent blood organization Signup and view all the answers

What is the management of open globe injuries?

immediate sterile eye patching, avoiding topical eye drops, considering prophylactic systemic antibiotics, and surgical repair as soon as possible Signup and view all the answers

What is the surgical intervention required for iridodialysis?

surgical resuturing Signup and view all the answers

What is the primary complication associated with hyphema?

Corneal endothelium staining Signup and view all the answers

What is the presenting feature of paralytic strabismus?

Binocular diplopia Signup and view all the answers

What is the treatment approach for amblyopia?

Occlusion of the healthy eye and enhancing near vision activities Signup and view all the answers

What is the surgical intervention for restrictive strabismus?

Transposition of fibrosed muscles Signup and view all the answers

What is the primary goal of correcting refractive errors in strabismus treatment?

To eliminate the cause of strabismus Signup and view all the answers

What is the purpose of the Hirschberg test in strabismus evaluation?

To measure the angle of deviation Signup and view all the answers

Study Notes

Stye (Hordeolum Externum)

Acute infection of eyelash sebaceous glands
Painful swelling that initially appears diffuse, but eventually becomes localized with pus
Treatment options include:
- Hot fomentations
- Systemic antibiotics (if necessary)
- Epilation of the affected lash

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Description

Learn about the symptoms and treatment of Hordeolum Externum, a painful acute infection of the eyelash sebaceous glands. Understand the causes and management of this common eye condition.