The implementation of the FTC in GCA care appears to significantly reduce the risk of permanent visual impairment and is more cost effective by reducing the need for inpatient care.

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. Purpose:  To evaluate the changes in vaulting of myopic and toric Implantable Collamer Lenses (ICLs) in different lighting conditions. Methods:  Thirty‐seven eyes of 37 patients implanted with a myopic ICL and 26 eyes of 26 patients implanted with a toric ICL were examined using Visante optical coherence tomography (OCT) in photopic (257 lux) and mesopic (2 lux) conditions. Pupil diameter and distance changes between the ICL and adjacent intraocular structures were measured. Results:  The mean horizontal pupillary diameters in mesopic conditions were 5.3 ± 0.9 (SD) mm. In photopic conditions, a mean decrease of –1.8 ± 0.6 mm [95% confidence interval (95% CI) −2.0 to −1.7; p < 0.0001] was observed. The mean distances between the ICL and the crystalline lens in mesopic conditions were 0.33 ± 0.17 mm. In photopic conditions, a mean decrease of −0.04 ± 0.06 mm (95% CI −0.05 to −0.02; p < 0.0001) in the ICL‐crystalline lens distance was found. There was a −0.02 ± 0.04 mm (95% CI −0.03 to −0.01; p = 0.0022) decrease in the anterior chamber depth and a 0.02 ± 0.06 mm (95% CI 0.002 to 0.032; p = 0.0275) increase in the distance between the cornea and the ICL. We found no difference in the change in vaulting between the two ICLs in different lighting conditions. Conclusion:  There is a decrease in the central vaulting of myopic and toric ICLs in photopic conditions. This is due to both posterior movement of the ICL and anterior protrusion of the crystalline lens.

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