Worksheetscornea
Total questions: 30
Worksheet time: 14mins
refractive power of cornea
40
43
41
45
dua's layer is
above bowman layer
below epithelium
above descemets membrane
above epithelium
cornea has
3 layers
5 layers
6 layers
4 layers
90% corneal thickness contributed by
stroma
bowmans
endothelium
epithelium
which layer of cornea can regenerate
endothelium
bowmans
epithelium
descemets
diagnosis??
corneal dystrophy
keratoconus
congenital glaucoma
normal cornea
haab's straie seen in
keratoconus
trauma
corneal edema
congenital glaucoma
corneal epithelium derives its nutrition from
vitreous
aqueous
tear film
retina
failure of endothelial pump leads to
corneal opacity
corneal vascularisation
corneal edema
dystrophy
loss of corneal sensation leads to
neurotrophic ulcers
bacterial ulcers
mooren ulcer
shield ulcer
diagnosis?
goldenhar syndrome
peters anamoly
axenfeld anamoly
trauma
microcornea is corneal diameter
>10mm
<10mm
10mm
<11mm
corneal thickness is more in
periphery
centre
paracentral
equal uniformly
identify the structure
(a)
stain used to detect corenal epithelial defect?
fluorescent
rose bengal
lissamine green
gram stain
type of opacity seen
nebula
macula
leucoma
adherent leucoma
corneal transparency is due to all the follwing except?
avascularity
hydration state
stromal lamellae
crystallins
megalocornea is
autosomal dominant
AR
X-LINKED
MITOCHONDRIAL
which structure is avascular?
sclera
uvea
cornea
retina
image shown is?
pthisis bulbi
scleritis
sclerocornea
corneal opacity
Irrespective of the etiology of a corneal ulcer, the drug always indicated is
cycloplegics
steroids
lubricants
immunomodulators
Dense scar of cornea with incarceration of iris is known as:
Adherent leukoma
dense leukoma
anterior staphyloma
ciliary spasm
The color of fluorescein staining in corneal ulcer is
yellow
blue
green
orange
Which of the following organism can penetrate intact corneal epithelium?
staph aureus
strep pyogenes
pseudomonas
c.diptheria
Topical steroids are contraindicated in a case of viral corneal ulcer for fear of
Secondary glaucoma
Cortical cataract.
Corneal perforation
secondary viral infection
The sure diagnostic sign of corneal ulcer is
Ciliary injection
Blepharospasm
Miosis
Positive fluorescein test.
The effective treatment of dendritic ulcer of the cornea is
Surface anesthesia
Local corticosteroids
Systemic corticosteroids
Acyclovir ointment
The commonest cause of hypopyon corneal ulcer is
Moraxella
Gonococcus
Pneumococcus
Staphylococcus
Band shaped keratopathy is commonly caused by deposition of: a. Magnesium salt b. Calcium salt c. Ferrous salt d. Copper salt
Magnesium salt
Calcium salt
Ferrous salt
Copper salt
Which of the following is the drug of choice for treatment of corneal ulcers caused by filamentous fungi?
ltraconazole
Natamycin
Nystatin
Fluconazole
