Biomedical subjects
H A Sisler
Publications and source records attributed to H A Sisler.
Iontophoretic local anesthesia for conjunctival surgery.
An iontophoretic unit, originally designed to deliver local anesthesia to the tympanic membrane, has been adapted for use on the tarsal conjunctiva before excision of conjunctivolithiasis plaques and other intra- and subconjunctival lesions.
Injected mixture for hemostasis in dacryocystorhinostomy.
A mixture of epinephrine and hyaluronidase, injected into the naso-orbital recess at the start of dacryocystorhinostomy and into the nasal mucosa immediately after bone penetration, appears to have a greater hemostatic effect than epinephrine alone. Surgical time is shortened by the reduced need for angular vessel ligation, suction, cautery of bleeding, and nasal packing. Postoperative ecchymosis and nasal clotting are also reduced.
Senile ectropion and entropion: a comparative histopathological study.
A microscopic histopathological study was done on 500 full-eyelid-thickness surgical specimens: 25 with the diagnosis of senile ectropion and 25 with that of senile entropion. Five different staining techniques were used. There appears to be significantly more orbicularis and Riolan's muscle ischemia, atrophy, and collagen fragmentation with ectropion than with entropion. Entropion shows more septal and tarsal atrophy. In both conditions, the skin and conjunctiva show chronic inflammation and scarring as a constant feature. Statistical significance at the 1% level was present for all six characteristics studied. These histopathological changes, if not etiological, are at least concomitant features differentiating senile ectropion from entropion at the microscopic tissue level.
Fiberoptic conjunctivorhinostomy probe.
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Fiberoptic conjunctivorhinostomy probe.
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Trichiasis combined anesthesia-cautery unit.
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