[The effect of flicker stimuli on the rabbit ERG].
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Biomedical subjects
Publications and source records attributed to T Setogawa.
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A male infant was born with a fleshy mass between the temporal bulbar conjunctiva and cornea in the right eye. Four weeks after birth the patient underwent excision of the epibulbar tumor and a lamellar keratoplasty. Histopathologic examination of the excised tumor revealed cartilage, lobules of lacrimal gland, and adipose tissue, indicating an epibulbar complex choristoma. Although the graft remained almost completely transparent, right amblyopia ensued. Epibulbar complex choristoma involving the conjunctiva and cornea is a rare condition.
We examined the patency of 670 nasolacrimal ducts in 335 newborn infants--42 patients (62 ducts) had obstructions; the involvement was unilateral in 22 and bilateral in 20. No sexual predilection was noted. All affected patients were treated with hydrostatic massage at the area of the lacrimal sac. About two-thirds of the ducts became patent by 2 months after birth, while the remainder became patent by 9 months. Only one patient who had acute dacryocystitis at age 5 months required a probing of the duct and a regimen of systemic antibiotics to achieve good results.
A 15-year-old girl and her 13-year-old brother had high myopia, mottled retinas with nonrecordable electroretinographic responses OU, and mental retardation. Both siblings had normal pupillary reactions to light, normal levels of serum amino acids, no nystagmus, no obesity, and no polydactyly. A consanguineous marriage of the patients' parents was found. We believe that the association of high myopia, retinal dystrophy, and mental retardation noted in these siblings may be uncommon.
An 85-year-old man underwent an extracapsular cataract extraction OD with posterior chamber intraocular lens implantation. Sodium hyaluronate (0.3 mL) was used during the procedure, and approximately 1.0 mL of the solution, including the sodium hyaluronate, was aspirated before wound closure. The next day, the intraocular pressure OD was elevated to 60 mmHg, and it remained high despite medication. Three days later, the intraocular pressure was still high, a paracentesis was done, and viscous solution was obtained. After the paracentesis, the intraocular pressure OD normalized.