In the case of a refractive object, you must enable: Under the Render settings, Screen Space Reflections and, within it, Refraction. Then, in each of your refractive materials’ Material settings, you should enable Screen Space Refraction.
In the case of a refractive object, you must enable: Under the Render settings, Screen Space Reflections and, within it, Refraction. Then, in each of your refractive materials’ Material settings, you should enable Screen Space Refraction.