Ex amplissimi gratiosissimique Collegii Medici Inclytae Academiae Basiliensis decreto ac permissu, Theses sequentes de praecipuis adnatae oculi tunicae affectibus

covers entirely. The Latins call it Vnguem nail/pterygium, the barbarians Vngulam little hoof/pterygium.

VII.
This evil occurs for the most part because of scabies or the continuous flow of thick and viscous humors.

VIII.
ὑπόσφαγμα, called Suggillatio bruise/ecchymosis by the Latins, is a red point or spot in the eye, sometimes turning bluish, and occasionally blackish.

IX.
If this occurs in other parts of the body, it is termed by the Latins by the common name of Vibicis weal/welt, and by the Greeks ἐκχυμώματα extravasations.

X.
Its primary and most frequent primitive cause is the rupture or contusion of the vessels from a blow or strike: to which may be added falls, violent motion, laborious shouting, etc.

XI.
The antecedent causes are an excessive repletion of the whole body or the head brought about by blood, the heat of the blood, or even an aposteme abscess.

XII.
The conjunct cause is the blood itself existing in the eye, or collected within the tunic of the eye.

XIII.
Furthermore, ophthalmia is a phlegmon inflammation of the adnate tunic, which has spread from the corners of the eyes into the entire adhering membrane. It is called Lippitudo blear-eyedness by the Latins.

XIV.
This is divided into True and Not True.

XV.
Not true is that which arises from external causes disturbing the vision, such as smoke, the sun, the air, lightning, and similar things.