Case #29 Keratoconus

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History

A 22 year old man presents to your office with a one year history of not being able to see well out of his glasses. He feels this has been a slow but progressive occurrence. His past medical history is significant for allergies to pollen, dust, certain detergents, and cat hair. He has had no previous ocular problems.

Photo #1: slit lamp examination

Photo #2

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Question #1

What tests would you do during your examination in order to establish a diagnosis?

Question #2

What corneal findings would you expect to see?

Question #3

What are the treatment options for this patient?

Question #4

Would you expect the patient ot see better out of glasses, soft contact lenses or hard contact lenses?

Question #5

Will the patient have to worry about his children having the same problem?

References

Grayson M: Diseases of the Cornea. Second Edition, St Louis, CV Mosby Co. 1983, pp 256-260.

Krachmer JH, et al. Corneal thinning disorders. Surv Ophthalmol 1984; 28:301-322.

Duane TA: Cllinical Ophthalmology. 1987; Vol 4 Chpt 16 pp 36-39.

Lembach RG: Keratoconic and post-keratoplasty contact lens. In Cornea, Refractive Surgery, and Contact Lens. pp 205-216.

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last updated: 10/10/2011