Source Cause Irrigating solutions or ophthalmic viscoelastic devices Incomplete chemical composition • Incorrect pH (<6.5 or >8.5) • Incorrect osmolality (<200 mOsm or >400 mOsm) • Preservatives or additives (e.g., antibiotics, dilating…
Yale 1998–2008 Bascom Palmer 1996–2001 Bascom Palmer 2002–2012 New York 1987–2001 Authors Chen 2012 [4] Schimel 2013 [5] Gentile 2014 [6] Coagulase-negative staph 37.5% 37.1% 36.1% 39.4% S. aureus…
Fig. 2.1 Graphic representation of vector analysis. (a) An example vector of +2.00 × 60° is depicted in power cross cylinder notation. (b) The same vector is depicted in double-angle…
Fig. 9.1 Patient with documented keratoconus of the left eye, and a cornea considered to be topographically normal by the neural network, according to calculated Klyce/Maeda indices (Placido topography by…
Fig. 8.1 For an isolated index (or a group of indices), and regardless of the cutoff value adopted, a screening method based on a cutoff value is unable to discriminate…
Study ID Intervention Comparison group Follow-up Preoperative astigmatism Study population Freitas et al. 2014 Toric IOL in both eyes (AcrySof Toric TM, Alcon, Fort Worth, TX) Non-toric IOL (AcrySof Natural,…
Fig. 11.1 Topoguided PRK for optical zone enlargement Fig. 11.2 Topoguided PRK for corneal trauma 11.2 Topography-Guided (TG) vs. Wavefront-Guided (WG) Ablation: Indications Wavefront-guided (WG) treatments aim to correct total…
Fig. 12.1 (a) Micrometer knife, (b) double fixation forceps An alternative to manual keratotomies with handheld blade has been made available in the form of a Hanna arcitome. This is…
Fig. 10.1 Against the rule simple myopic astigmatism ablation profile. The laser treatment flattens the steep meridian Fig. 10.2 Against the rule compound myopic astigmatism ablation profile. The laser treatment…
Toric IOL calculators Web site Alcon, AcrySof toric www.AcrySofToriccalculator.com Abbott Medical Optics, Tecnis www.tecnistoriciol.com/tecnis-toric-iol-calculator Bausch + Lomb, Trulign Toric IOL www.trulign.toriccalculator.com HumanOptics, Torica-aA www.iol-toric-calculator.com/CalcForm.aspx Barrett Toric Calculator www.ascrs.org/barrett-toric-calculator Table 4.2…
