Side Effects. 1  Allergic reaction, such as skin rash, hives, or itching. 2  blurred vision or other change in vision. 3  eye pain. 4  irritation (severe) or redness of eye. 5  nausea.
For the Open Access Network open access publishing model, see Open Access Network. An open-access network (OAN) refers to a horizontally layered network architecture in telecommunications, and the business model that separates the physical access to the network from the delivery of services.
The Open Systems Interconnection (OSI) model is a protocol used to communicate between different networks. Protocols are nothing but a set of rules used to communicate between two networks. The Open Systems Interconnection (OSI) model is divided in seven layers. Reference from Google. OSI Model divided in two parts upper level and lower level. The OSI Model is also divided in two parts; upper level and lower level. The lower level contains a physical layer, data link layer and network layer.