EyeQue VisionCheck provides a way to test and track your need for prescription glasses at home. I have had to be diligent concerning my eye health. I wear glasses to help with being able to see at ...

Refractometers are versatile in their design and use, and are able to provide results as refractive indices, or in other cases, as direct measurements of parameters such as soluble solids, sugar ...

San Joaquin Valley farmers rely on handheld refractometers to determine fruit maturity. A refractometer measures the percentage of sugar (ºBrix) in juice, allowing a grower to estimate a harvest date ...

Follow our step-by-step advice on using a Brix refractometer to test the quality of colostrum from your dairy cows. 1. Calibrate the refractometer before every use. Put 2–3 drops of distilled water on ...