Ento Key

Fig. 10.1 Cornea in a natural scenario Pathological scenario , that is, presence of anomalous alterations (see Fig. 10.2), in which the tissues that form part of the corneal architecture…

, trefoil RMS , and the Zernike term corresponding to the primary spherical aberration (Z 40). Postoperatively , patients should be examined the third day after surgery and at 1…

Fig. 23.1 Clinical picture of a keratoconic eye after penetrating keratoplasty with a double continuous 10/0 Nylon suture Interrupted sutures, CCIS, and a single continuous suture (SCS) have shown comparable…

Fig. 7.1 Subclinical Keratoconus. Four map composite display (anterior sagittal curvature (upper left), anterior elevation (upper right), corneal thickness (lower left), posterior elevation (lower right)). While the anterior surface is…

Fig. 17.1 Intracorneal ring segment Keraring (Mediphacos ) Fig. 17.2 Intracorneal ring segment Intacs (addition technologies ) Table 17.1 Main characteristics of the intracorneal ring segments most commonly used in…

Fig. 28.1 Different periods of vaulting of the implanted toric ICL Fig. 28.2 The ICL V4b IOL Fig. 28.3 The ICL V4c iol 28.2.5 Recommended Criteria for the Toric ICL…

Fig. 27.1 Scanning electron microscopy (SEM) of ARTIFLEX pIOL It has a flexible optic with a diameter of 6 mm. The total diameter of the lens is 8.5 mm and…

Fig. 9.1 Corneal topography Cornea is responsible for more than 2/3 of the total refractive power of the human eye, so its morphology is of vital importance to determine the…

Fig. 6.1 Process of formation of the first Purkinje image from a Placido disk The objective measurement of the radius of curvature of the anterior surface of the cornea, also…

Grade I Grade II – Eccentric corneal steepening – Absence of scarring – Myopia and/or astigmatism <5 D – Myopia and/or astigmatism 5–8 D – Mean central K readings ≤48.00 D – Mean central K readings…