Marginal keratitis produced by phthirus pubes.
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PURPOSE: To identify the amyloid protein of the corneal amyloidosis complicated by trichiasis. METHODS: The two patients were 41-year-old and 38-year-old women with trichiasis. They had gelatinous drop-like corneal change in hemilateral eye. The lesion was excised and examined by light and electron microscopy. Additionally, we performed an immunohistochemical study with immunofluorescence techniques using cryosections. RESULTS: The amyloid deposits were confirmed with light and electron microscopy. Congo red positive staining was not reduced following pretreatment with potassium permanganate. Immunohistochemically, amyloid deposits in the cornea stained positively with serum human light chain kappa and lambda. Pretreatment of the section with 0.05% Tween-20 did not decrease the staining with fluorescence. The deposits stained negatively with serum prealbumin and keratin antibodies. CONCLUSIONS: These findings indicate the protein of the corneal amyloidosis complicating trichiasis to be an amyloid light chain (AL) protein that has never been identified in this kind of corneal amyloidosis.
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The potentially blinding abrasive deformities of the lids--trichiasis, districhiasis, entropion, and marginal keratinization--and the defects in lid closure resulting from functionally shortened upper or lower lids should be corrected surgically before contact lenses are fitted or corneal grafting undertaken. The choice of procedure for surgical correction of various degrees of trichiasis-entropion is indicated by the various associated findings, such as thickness of tarsal plate, presence of functional shortening of the upper lid, and involvement of the lower lid (Table II).
Congenital colobomas usually occur as full-thickness defects of the medial third of the upper lid and are commonly associated with a benign dermoid at the apex. Exposure keratopathy and corneal trauma are rare; however, it can be prevented with the Expo Bandage--Bubble (Fig 18). Periodic examinations should also be performed. Surgical resonstruction should be performed at approximately 3 to 6 months of age and primary closure should be attempted initially. Lateral cantholysis, lid-sharing surgery, and external levator resection may be required to correct the residual deformity.
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PURPOSE: To report a case series of penetrating injury complicated by occurrence of intraocular cilia. METHODS: Retrospective analysis of charts of 11 eyes of 11 patients with penetrating injury and intraocular cilia, presenting between September 1978 and November 1998. Ten eyes underwent surgery for trauma-related problems such as cataract, vitritis, retinal detachment etc., at which time intraocular cilia were removed. One eye did not have surgery and continues to harbour cilia at the posterior perforation site. RESULTS: Metallic wire was responsible for injury in 6 of 11 eyes with intraocular cilia. Five eyes had significant intraocular inflammation. The cilia were located in the anterior segment in 4 eyes; in the posterior segment in 6 eyes and in both in one eye. At the last follow up, 72.7% had 6/18 or better vision. Poor vision in the rest was due to recurrent retinal detachment (2 eyes) and macular scarring (1 eye). CONCLUSION: Intraocular cilia are more commonly associated with injury by a metallic wire. The presentation and management of an injured eye does not seem to be influenced by the presence of cilia in the eye.
Soft contact lenses are being applied as a therapeutic device in various diseases and postoperative conditions of the cornea. Ten cases illustrate several of the clinical conditions in which lenses of approved types may be used, with adjunctive medication in some instances.
Retrobulbar nervous plexuses were studied in man, albino rat, guinea pig and rabbit by means of macro- and micropreparation with elective dyes use, histotopogrammes and in the experiment with sympathetic superior cervical node removal. It was established that models characteristic for mammals were present in this plexus structure. Branches of abducent nerve conducting sympathetic fibres to the eyeball are the part of the plexus in rodents and the rabbit. In all the cases sympathetic fibres to the eyeball pass without contact with ciliary ganglion, apart from guinea pig, in which portion of sympathetic fibres passes through additional ciliary ganglia. Only in man ciliary ganglion has sensory root although sympathetic fibres are not discovered in trigeminal nerve branches.
PURPOSE: Investigation of compliance with surgery for trachomatous trichiasis has become a priority of the World Health Organization. This study was conducted to investigate attitudes toward trichiasis and its treatment and to determine the rate of surgical uptake in The Gambia. METHODS: A 1-year longitudinal study was performed in 190 subjects with trichiasis. Persons with major trichiasis (involving five lashes or more) were referred for surgery, and those with minor trichiasis were advised to epilate. Outcome measures included attitudes toward trichiasis and its treatment, reported barriers to surgical uptake, acceptance rates for surgery, and factors affecting acceptance. RESULTS: Twenty-three percent (95% confidence interval [CI] 16.5%-30.6%) of subjects with major trichiasis attended for surgery during the year. Degree of ignorance about surgery, symptoms impeding work, and a multiple income source for the head of household predicted attendance. Reported lack of time predicted nonattendance. Sixty-eight percent of patients who had undergone surgery were trichiasis free at last follow-up. CONCLUSIONS: Poor attendance for surgery remains a problem in The Gambia. Barriers include ignorance and lack of time and money. Health education and surgical delivery strategies are needed to overcome these barriers. Regular audit of surgical results is necessary, with retraining where indicated.
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