2018, Number 5
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Rev Mex Oftalmol 2018; 92 (5)
Anatomical, clinical and surgical aspects of the posterior cornea
de la Torre-González CE, García-Castro AE, Pérez-Julca CL
Language: Spanish
References: 27
Page: 227-232
PDF size: 323.95 Kb.
ABSTRACT
The advance in the knowledge of corneal ultrastructure that previously would have been considered a curiosity or just intellectual
data, today is essential for the clinician. The purpose of this review is to address the elements that, based on the
authors´ criteria, are more relevant to the “new” anatomical (histological) aspects of the cornea and how they affect the relatively
new surgical techniques, emphasizing the role of “Dua´s layer.” The composition of the corneal stroma also varies according
to depth. Corneal tissue obtainment varies according to the dissection technique used, although it is true that in
pneumodissection pre-descemet stromal remnants remain, but they do not constitute a new anatomical layer. The differences
in hydration and disposition between the corneal lamellae cause the cornea to behave differently depending on the plane
of dissection. Age-related changes facilitate the procurement of the descemet-endothelium membrane, as it becomes thicker
and easier to manipulate.
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