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Regular lenses - PowerPoint PPT Presentation

Macro and Close-up Photography

Photo by Daniel Schwen. Macro and Close-up Photography. Digital Photography DeCal 2010 Nathan Yan Kellen Freeman Some slides adapted from Zexi Eric Yan. What Is Macro Photography?. Macro commonly refers to large-magnification photographs -i.e. showing small subjects in great detail

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How Eye Exams For Contact Lens Are Different From an Eyeglass Exam

For many years after they were introduced, contact lenses could easily fix nearsightedness and farsightedness but could do nothing for astigmatism. Through careful crafting of contact lenses, it became possible to change where light rays focused on the retina and return the eye to 20/20 vision. Astigmatism is different and posed a special problem that was not solvable by the technology of the that time, forcing people with astigmatism to continue wearing glasses. Toric lenses ultimately solved that problem. https://criptomonde.com/vision-rx-20-review/ https://healthcaredevotee.com/zeta-clear-system-review/ https://losconcepto.com/combat-shooter-system-pdf-review/

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Regular lenses - PowerPoint PPT Presentation

Macro and Close-up Photography

How Eye Exams For Contact Lens Are Different From an Eyeglass Exam