Ms Duffy is 28 years old and wears spectacles. Over the last three years her vision...

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Medical Sciences

Ms Duffy is 28 years old and wears spectacles. Over the lastthree years her vision has been worsening even with spectacles. Shewas examined by an eye doctor and diagnosed to have thinner andsteeper than normal corneas with vision impairment in both eyes butmore in the left than right eye. Her corneal condition and visionwere expected to continue to worsen without intervention. Thus, theeye doctor performed a negligibly invasive treatment procedure onher eyes, first in the left eye and six months later in the righteye. The treatment improved her vision in both eyes.
Answer the following sub-questions separately.
Which corneal disease did Ms Duffy develop? (1 mark)
What could be the effect/s of this corneal disease on Ms Duffyâ€™svision and why? (1 mark)
What are the two most common likely causes of this disease? (1mark)
From your understanding of the structure of the cornea, stateprimarily which part/s of the
cornea is/are compromised in this disease? (1 mark)
What are the main clinical and histopathological features ofthis disease?
Which pathophysiological mechanisms are activated in thisdisease? Explain three of the
mechanisms.
Explain the basic principle underlying treatment of Ms Duffyâ€™sdisease. (1 mark)

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4.2 Ratings (490 Votes)

The corneal thinning and steeping are seen in disorder known as corneal keratoconus This causes progressive thinning of the cornea which cannot be corrected with corrective lens Corneal keratoconus which causes corneal inthinning and steepness causes shortsightedness and astigmatism This results in blurry vision and See Answer

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