منابع مشابه
Refractive Surgery Correcting the Irregular Cornea
AUGUST 2011 CATARACT & REFRACTIVE SURGERY TODAY 31 P rogressive, asymmetrical corneal steepening associated with an increase in myopic and astigmatic refractive errors, combined with midperipheral and/or peripheral corneal thinning, represents a constellation of findings in ectatic corneal disorders (eg, keratoconus and pellucid marginal degeneration). These entitites are associated with asymme...
متن کامل[Aesthesiometry of the cornea after refractive corneal surgery].
The corneal sensibility was examined with the aesthesiometer of Draeger in 41 patients after refractive corneal surgery, 31 patients after radial keratotomy, 5 after epikeratophakia, 5 after excimer laser ablation. It could be shown that after radial corneal incisions the sensibility remains normal. After epikeratophakia the corneal sensibility is asensible even 3 years after operation. The len...
متن کاملOptimal cornea shape design problem for corneal refractive surgery
1. Abstract Corneal refractive surgery is a promising technique to correct irregularities of cornea shape accompanying various types of aberration in eye ball system, and correction of refractive power for nearsightedness and farsightedness are fundamental application of refractive surgery. However there have been reported some risks such as over-/under-corrections, abnormal sight symptom like ...
متن کامل[Refractive surgery].
FEBRUARY 2004 I CATARACT & REFRACTIVE SURGERY TODAY I 27 T he FEMTEC femtosecond (ultrashort pulse) ophthalmic laser (20/10 PERFECT VISION Optische Geräte GmbH, Heidelberg, Germany) is a photodisruptive laser. Although performed since the early 1980s, ophthalmic photodisruption has previously been limited to intraocular procedures because of the relatively large amount of energy needed to initi...
متن کاملModern views of surgery of the cornea.
THE aim of this communication is to summarize briefly the present trends in corneal surgery, noting some of my own ideas and preferences, rather than to bring to your notice any particular item' or procedure with which you are not already familiar. For instance, you all know, but it is worth reiterating that, for a foreign body embedded deep in the stroma of the cornea, a keratome should be int...
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ژورنال
عنوان ژورنال: Acta Ophthalmologica
سال: 2009
ISSN: 1755-375X
DOI: 10.1111/j.1755-3768.1991.tb02045.x