See Also: Bertrand lens(medicine)
lens, Bertrand(medicine)
Russell, Bertrand(dictionary)
Bertrand (as used in expressions)(encyclopedia)
Aristide, Jean-Bertrand(encyclopedia)
Bertrand, Ivan Georges(medicine)
Canavan-van Bogaert-Bertrand disease(medicine)
Beauvoir, Simone (Lucie-Ernestine-Marie-Bertrand) de(encyclopedia)
Hegg Memorial Health Center Avera Health(health)
Dells Area Health Center Avera Health(health)

Calderol (health) and lens, Bertrand (medicine)


Calderol (health)


Calderol is a prescription or over-the-counter drug which is (or once was) approved in the United States and possibly in Other countries. Active ingredient(s): calcifediol.





lens, Bertrand (medicine)


lens, Bertrand
<microscopy> A small convergent lens placed between objectives and eyepiece. The lens focuses an image of the upper focal plane of the objective on the focal plane of the eyepiece. It is chiefly used with polarized light for inspecting the interference figure. It is also convenient for quickly verifying centreing, size, and uniform illumination of an aperture.