Phacoemulsification is a modern cataract surgery method in which the eye’s internal lens is emulsified with an ultrasonic handpiece and aspirated from the eye. Aspirated fluids are replaced with irrigation of balanced salt solution to maintain the anterior chamber.

Provides an environment for the user to experience what she can’t do in reality or doesn’t have the conditions in a virtual environment by simulating reality

A simulate on is a way of seeing a thing happen without it actually taking place in the same way. A simulation can be used to predict what might happen without doing it, in case it is dangerous or too expensive or difficult. It can also be used to show people what will happen next, or what happened in the past.

the most advanced technology available.

Attention deficit hyperactivity disorder (ADHD) is a neurological disorder that impacts the parts of the brain that help us plan, focus on, and execute tasks. ADHD symptoms vary by sub-type — inattentive, hyperactive, or combined .

Obsessive compulsive disorder (OCD) is a mental health disorder in which a person experiences repeated thought (called obsessions) that drive them to perform certain actions (known as compulsions) to alleviate the anxiety the thoughts cause.

The electroencephalogram (EEG) is the depiction of the electrical activity occurring at the surface of the brain. Frequency (Hertz, Hz) is a key characteristic used to define normal or abnormal EEG rhythms.