Most common form of Corneal ectasia is
Corneal ectatic disorders or corneal ectasia are a group of uncommon, noninflammatory, eye disorders characterised by bilateral thinning of the central, paracentral, or peripheral cornea.
Keratoconus- Most Common Form of Corneal Ectacia -progressive, noninflammatory, bilateral, asymmetric disease, characterized by paraxial stromal thinning and weakening that leads to corneal surface distortion.
Keratoglobus- noninflammatory corneal thinning disorder, characterised by generalised thinning and globular protrusion of the cornea.
Pellucid marginal degeneration- bilateral, noninflammatory disorder, characterized by a peripheral band of thinning of the inferior cornea.
Post-LASIK ectasia-complication of LASIK eye surgery.
Terrien's marginal degeneration- painless, noninflammatory, unilateral or asymmetrically bilateral, slowly progressive thinning of the peripheral corneal stroma.
Zuckerkandl's tubercle is present in
Zuckerkandl's tubercle - A small horn at the back of the thyroid lobes, usually close to the recurrent laryngeal nerve and the inferior thyroid artery, is called Zuckerkandl's tubercle.
The structure is important in thyroid surgery as it is closely related to the recurrent laryngeal nerve, the inferior thyroid artery, Berry's ligament and the parathyroid glands.