Tag: Calcific degeneration / Band shaped keratopathy

Calcific degeneration / Band shaped keratopathy

Calcific degeneration / Band shaped keratopathy


Calcific degeneration (Band shaped keratopathy)

  • Deposition of calcium salts in Bowman’s membrane, most superficial parts of stroma and deeper layers of epithelium

 Causes·:     

  • In children, band keratopathy may be the presenting sign of chronic uveitis as a result of juvenile idiopathic arthritis.

Ocular Causes

  • Chronic iridocyclitis in adults
  • Chronic uveitis like JRA
  • Children with Still’s disease
  • Phthisis bulbi
  • Chronic glaucoma
  • Chronic interstitial keratitis
  • Ocular trauma

Metabolic Disease

  • Secondary to elevated serum
  • calcium and phosphate
  • Sarcoidosis
  • Vitamin D toxicity
  • Hyperparathyroidism
  • Chronic renal failure
  • Metastatic bone disease
Exam Question
 
  • Band shaped keratopathy seen in JRA.
  • Band shaped keratopathy is caused by  Calcium.
  • Sarcoidosis is associated with Band shaped keratopathy.
Don’t Forget to Solve all the previous Year Question asked on Calcific degeneration / Band shaped keratopathy

Calcific degeneration / Band shaped keratopathy

Calcific degeneration / Band shaped keratopathy

Q. 1

Band shaped keratopathy is caused by:

 A

Amyloid

 B

Calcium

 C

Monopolysaccharide

 D

Lipid

Q. 1

Band shaped keratopathy is caused by:

 A

Amyloid

 B

Calcium

 C

Monopolysaccharide

 D

Lipid

Ans. B

Explanation:

B i.e. Calcium

Band Shaped Keratopathy

It occurs due to deposition of hyaline infiltration of superficial parts of stroma follwed by deposition of calcareous saltsQ.

A whitish band appears in the inter palpebral area, commencing at the inner & outer sides, progressing until it forms a continuous band across the cornea, interspersed with round ‘holes’ or cleaves within the band itself. It occurs in

Chronic uveitis especially in blind shrunken eyes, & Still’s disease

Aphakic eyesfollowing vitrectomy with silicone oil

Hyperparathyroidism Vitamin D toxicity Sarcoidosis


Q. 2

Band shaped keratopathy seen in:

 A

JRA

 B

RA

 C

SLE

 D

DLE

Q. 2

Band shaped keratopathy seen in:

 A

JRA

 B

RA

 C

SLE

 D

DLE

Ans. A

Explanation:

Ans. IRA



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