Purpose To determine prevalence of refractive (RA), corneal (CA) and internal astigmatism (IA), including variation with gender and spherical equivalent refraction (SE), in a population of 12-year-old ...

Iran’s “Axis of Resistance,” the network of militias it has fostered in the Middle East to help it fight Israel, has become seriously degraded, experts say.

Purpose To assess the prevalence and severity of preoperative and postoperative astigmatism in patients with cataract in the UK. Setting Data from 8 UK National Health Service ophthalmology clinics ...

Though most of the times your eye doctor will tell you what the prescription means. However, not always do things go as planned and if your eye doctor does not tell you what the prescription means, ...

Conclusions Pattern of corneal astigmatism in eyes with cataract and coexisting primary pterygium was different from eyes without pterygium. Pterygium is associated with higher magnitude but not ...

– Cylinder – If you have astigmatism, this number indicates how severe it is. Like sphere values, minus signs indicate nearsighted astigmatism, while plus signs represent farsighted astigmatism. – ...

Axis alignment and rotational stability after implantation of the toric implantable collamer lens for myopic astigmatism. J Refract Surg. (2009) 25:S939–S943. doi: 10.3928/1081597X-20090915-08 ...

Corneal topographic characteristics between TED and keratoconus are similar and increased anterior corneal astigmatism in the oblique axis may help to identify TED. Corneal topographic characteristics ...

To explore the influence of two different incision positions of small incision lenticule extraction (SMILE) on astigmatism correction. A total of 86 eyes of 86 patients who underwent SMILE surgery ...

Esophoria and anisometropia were associated with worse stereoacuity, and patients with emmetropia and no astigmatism had the best stereopsis. “Low hyperopia, astigmatism, and anisometropia, even if ...