This application is related to a head-mounted display system and related methods for entertainment, diagnostics, and treatment. The HMD includes various sensors and tools to take physical measurements, perform physical procedures, adjust physical conditions, or manipulate digital data. In some embodiments, the HMD produces different types of sensory stimuli, such as releasing or filtering certain compounds in liquid or aqueous forms in the space near the HMD, or adjusting different physical features of the space near the HMD, such as temperature and flow, to enhance the augmented or virtual reality environment being displayed. In some embodiments, the HMD performs regular monitoring, a specific examination, a surgical intervention, or other care procedures on the eyes automatically or in conjunction with a device of an eye care professional across a computer network to care for the users eyes in real time or on an ongoing basis.
