We present here in Portuguese the oldest treatise that the West has bequeathed us about ophthalmology and eyesight in general, namely "On vision" or De uisu in Latin, with an introductory study that seeks to situate its place in the history of medicine, without, however, failing to dwell on the philological difficulties that the text contains.

man's past condition is related to his present life and history means surveying the quality of the past activities whose traces remain in the present time. the main field of historical research is man's past life, the stages which have been put behind in the process of evolution and changes as well as progresses made in these stages. history is a means to provide human beings with a complete in...

A review of ophthalmology surgical and non-surgical interventions for intermittent exotropia conducted for the Cochrane Database (Hatt and Gnanaraj, 2006) concluded that the available medical literature consists mainly of retrospective case reviews which are difficult to reliably interpret and analyse. The one randomised trial included found unilateral surgery more effective than bilateral surg...

purpose : to report a patient with orbital pseudotumor masquerading as orbital cellulitis case report : a 42-year-old woman was referred to orbit and oculoplastic clinic with 6 days history of left orbital pain, proptosis, lid edema and fever. clinical finding included severe lid edema, chemosis, conjunctival injection and severe restriction in extraocular motility. she was diagnosed as orbital...

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purpose : to report two patients with spontaneous scleral perforation and bleb formation associated with marfan syndrome (mfs) which one of them also showed bilateral optic nerve dural ectasia. case reports : an 11-year-old girl was referred with progressive myopia. past medical history was negative. slit-lamp examination revealed bilateral scleral thinning and perforation with bleb formation, ...

service Email alerting the top right corner of the online article. T he British Ophthalmological Surveillance Unit (BOSU) has now been in existence for 5 years and has been actively involved in the surveillance of rare ophthalmological disorders for most of this time. It is now an appropriate time to consider what relevance it has to practising ophthal-mologists. The unit was set up to facilita...

purpose : to report an atypical case of acanthamoeba keratitis. patients & methods : a 19-year-old girl presented with a history of recurrent herpetic keratitis and a history of short-time contact lens wear. laboratory work-up for herpetic, bacterial, and acanthamoeba sources were negative and the patient failied to follow up. on later presentation she had corneal necrotizing stromal ulcer need...

This recent addition to the Clio Medica series is very welcome for several reasons. It is almost unique, for the only other histories of ophthalmology in English are a very short essay by Sorsby and an article by Shastid in the American Encyclopedia of Ophthalmology. The brevity of Chance's history has excluded a separate bibliography, yet the author has managed to include mention in the text o...