A rotatable light device having at least a pair of light bulbs. The imaging element includes a large number of pixels in a light receiving surface. Each of the lists may be associated with a respective processor configured to execute the work, and includes pointers to entries in the table. This intraocular pressure is used as a parameter for the ophthalmologist to diagnose glaucoma impairment of human beings. The first fastening portion may be disposed on the inner surface of the sleeve, while the second fastening portion may be disposed on the outer surface of the sleeve. Fish in fish tank water are remotely located or partially isolated from the fish tank water utilized by the sono-molecular-conversion apparatus.