I think that homogeneous classrooms are not a feature for developmentally appropriate practice.
While some contact lenses provide UV protection, they don't cover your whole eye, so you still need sunglasses. Look for sunglasses that protect you from 99 to 100 percent of both UVA and UVB light. This includes those labeled as "UV 400," which blocks all light rays with wavelengths up to 400 nanometers.
Inhalant use can cause damage to the heart, kidneys, brain, liver, bone marrow and other organs. Inhalants starve the body of oxygen and force the heart to beat irregularly and more rapidly. Users can experience nausea and nosebleeds and lose their sense of hearing or smell.
Yeah, I'm pretty sure. Although, can't make any promises.