Viral Lines – Sclerology

Viral Lines – Sclerology

‘Viral lines’ Sclerology marking present as two or three fine, mostly straightish, lines in the sclera. The above sclera image of a right medial quadrant has many viral lines showing in the conjunctiva. They can be currently active, past, or laying...
Bitot’s Spot – Sclerology

Bitot’s Spot – Sclerology

A ‘Bitot’s Spot’ Sclerology marking is a sign of vitamin A deficiency and appears medially and laterally toward the border of the iris as a superficial, opaque, foamy patch in the conjunctiva. Common signs & symptoms of vitamin A deficiency are...
Cystine Deposits – Sclerology

Cystine Deposits – Sclerology

Cystine is a semi-essential amino acid, the most important of the 3 amino acids (glycine, glutamate, cystine), that are required by the body for the production of glutathione. Cystine deposits are accumulations of crystalline cystine in the sclera and cornea. Seen...
Boxes – Sclerology

Boxes – Sclerology

This sclera image shows, at this stage relatively faintly, Sclerology marking ‘boxing’ in the lymph/breast area. This marking presents as its name suggests, shaped like open-ended boxes. It represents local tissue hardening, and can suggest possible nodes...
Melanin – Sclerology

Melanin – Sclerology

This right lateral sclera image shows melanin pigment, the brownish coloured ‘splotch’ you can see in the sclera. This Sclerology marking is common as a pigmentation spot in a person with darker skin and brown/hazel eyes, representing a genetic...