CAP. LX. De Pterygio, seu ungue oculorum.
〈 in non-Latin alphabet 〉〈 in non-Latin alphabet 〉, The Haw, nail, or little wing, (as they term it) of the eye, or, as some call it, the
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〈 in non-Latin alphabet 〉〈 in non-Latin alphabet 〉, The Haw, nail, or little wing, (as they term it) of the eye, or, as some call it, the
arrow, is a little membrane that is nervous, fi∣brous, and somewhat white, which proceedeth forth from the corners of the eyes, (the greater of them especially) and cleaveth fast unto the Ad∣nata tunicle; and is sometimes drawn forth in length even unto the Cornea tunicle; and very often (if it so much increase) covereth and o∣verspreadeth the Pupilla or ball of the eye, and so hindereth the sight.
A new Haw, that is small, may be cured with Medicines; but an old over-grown one, covering the black of the eye, cannot be cured but by Chirurgery. If the eye affected grow smaller, Malum est signum, partis enim debilitatem arguit. A Haw which is thick, hard, and black, cannot be cured, Cancrosam enim naturam obtinet.
This pouder is very much commended, and hath been often used with happy success; ℞ Os∣sis sepiae, ℈ sacchari candi, ʒ i. Vitrioli, ℈ ss. tu∣tiae praeparatae, ʒ ss. misce. Fiat pulvis subtilis∣simus, to lay upon the Haw.