Important Term in Disease of eyelid For Ophthalmic Officer DHS Exam
.jpeg "Important Term in Disease of eyelid For Ophthalmic Officer DHS Exam")
Ptosis
• Abnormal drooping of upper eyelid is called ptosis.
• Upper lid cover about upper one-sixth of cornea (2mm)
• In ptosis its cover more than 2mm of cornea.
Distichiasis
• Congenital distichiasis is rare anomaly
• In which an extra row of eyelashes is called as distichiasis.
• It ocuupies the position of meibomain gland.
• These cilia are usually directed backward and due its rubbing the cornea.
Madarosis
• Absent f cilia is called as madarisis.
• It may be seen in patients with chronic blepritis, Leprosy and myxoedema.
Poliosis
• Greying of cilia is called as poliosis.
• Its seen in old age.
Cryptophthalmous
• It is very rare anomaly.
• In which eyelid fail to developed is called as Crytophthalmous.
• In which skin passes continuously from eyebrow to cheek and hiding eyeball.
Blephritis
• It is chronic inflammation of the lid margin is called as blephritis.
• It is extremely common disease of eyelid.
Microblepharon
• In this condition eyelid are developed abnormally small.
• It is usually associated with microphthalmous and anophthalmous.
Ablepharon
• In this condition eyelid are developed abnormally very small or virtually absent .
External hordeolum
• It is an acute suppurative inflammation of gland of Zeis or Moll.
• It is also called as stye.
Chalazion
• It is chronic non infective granulomatous inflammation of the meibomian gland.
• It is also called as Tarsal cyst and Meibomian cyst.
Internal Hordeolum
• It is suppurative inflamation of the meibomian gland.
• It associated with blockage of duct of meibomian gland.
Molluscum Contagiosum
• It is viral infection of lids.
• It seen more in children.
• It is caused by large poxvirus. • It is multiple, pale, wax, swelling over skin near lid margin.
Trichiasis
• It is inward turning of misdirected one or two cilia with normal position of lid margin.
• The misdirected cilia rub to cornea.
Pseudotrichiasis
• It is inward turning of misdirected one or two cilia along with lid margin.
Ectropion
• Outward turning margin is called ectropin.
Symblepharon
• In this condition lids become adherent with the eyeball.
• In which adhesion between the palpebral and bulbar conjunctiva.
Ankyloblepharon
• Horizontally narrow palpebral fissure - Adhesion between margin of upper and lower lid.
• It may occur as a congenital anomalies or chemical burn, thermal burn, ulcer and traumatic wound.
• Palpebral fissure horizontal – 28-30 mm
• Palpebral fissure vertical – 8-10 mm
Ankyloblepharon
• Horizontally narrow palpebral fissure - Adhesion between margin of upper and lower lid.
• It may occur as a congenital anomalies or chemical burn, thermal burn, ulcer and traumatic wound.
• Palpebral fissure horizontal – 28-30 mm
• Palpebral fissure vertical – 8-10 mm
Logophthalmous
• This condition is characterized by inability to voluntarily close the eyelid.
Blepharospasm
• It refers to the involuntary, sustained and forceful closer of eyelid.
Tags:
Disease of eyelid