Accounting for ACD in piggyback IOL calculations using the Holladay formula and meridional analysis reduces errors.

Alcon is one of the leading visioncare companies in the world, with a record of successful product development, and it will continue to launch technically superior products.

The first GFX series digital camera with a built-in lens and a 102MP large-format image sensor - The lightest weight model in ...

Check out the best Canon RF lenses for whatever you shoot, whether you're a full frame or APS-C shooter (I've included the APS-C equivalent focal lengths for each suggestion, so you know how the ...

These efforts align with Bessent's goals: ensuring the US dollar remains the world's reserve currency, lowering national debt, and stabilizing treasury notes ...

34 had cortical, 21 had nuclear, and 21 had posterior subcapsular cataract. 22 subjects with clear lenses (60 (7) years) were recruited as controls. The spherical equivalent and astigmatic vector ...

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The best lenses for travel photography will enable you to take amazing photos without weighing you down. Travel photography lenses are often versatile zooms that allow you to pack just one lens, such ...

Our lens reviews offer detailed information on sharpness, distortion, bokeh, and all the other important factors that go into making a lens great. Our reviews give you all the information you need ...

The best tech products announced this week include Klipsch's reimagined Heritage loudspeakers, Pro-Ject's automatic turntable ...

In a cohort of 21,655 children ages 6 to 8 years, the prevalence rate of refractive astigmatism of at least 1.0 diopter (D) ...

Hyenas stage mock brawls, cats spin in circles chasing their tails, octopuses play push-and-pull with bottles, dogs bury ...