Abstract: A chamber adaptor and a manufacturing method thereof. The chamber adaptor includes: a housing provided with a gas inlet, a gas outlet, a chamber inlet, and a chamber outlet, where the gas inlet is configured to be removably connected to a main board device, the gas outlet is configured to be removably connected to a respiratory pathway, the chamber inlet is configured to be removably connected to an input end of a chamber for storing liquid and the chamber outlet is configured to be removably connected to an output end of the chamber, the chamber adaptor further includes a control circuit and at least one sensing apparatus, where the at least one sensing apparatus is arranged on one end of the control circuit closer to the gas outlet and extends into a gas output channel.

Abstract: A synthetic eye model is provided which can include a number of features. In one embodiment, the synthetic eye can include a rigid or semi-rigid eye shell, a synthetic iris base positioned within the eye shell, an eye core positioned within the eye shell and encircling the synthetic iris base, the eye core including a channel integral to the eye core configured to replicate Schlemm's canal of a human eye, and a synthetic trabecular meshwork tissue coupled to the eye shell and extending across the channel. Methods of using the synthetic eye model are provided, including using the synthetic eye model as a surgical training tool.