Classical vertical bracket test is shown on picture 1.It can measure vertical associated phoria and vertical aniseikonia.
During examination patient can independently:
Examination results are announce as two numbers separated by slash. First number expressed in minutes af angle concerns vertical assoctiated phoria. Second number expressed in procent concerns vertical aniseikonia.
Phoria α is calculated from following equation on the basics of right brakect movement x and distance from monitor l.
Aniseikonia A is calculated from following equation on the basics of initial right bracket size x, final right bracket size y and distance from monitor l.
Vertical bracket test without central stimulus is shown on picture 2. It's independent modification of classical vertical bracket test, so there are no data about result interpretation.
During examination patient can independently move and resize right bracket as previous.
Result is calculated and presented as previous.
Classical horizontal bracket test is shown on picture 3. It can measure horizontal associated phoria and horizontal aniseikonia.
During examination patient can independently:
Examination results are announce as two numbers separated by slash. First number expressed in munutes af angle concerns horizontal assoctiated phoria. Second number expressed in procent concerns horizontal aniseikonia.
Phoria α is calculated from following equation on the basics of lower brakect movement x and distance from monitor l.
Aniseikonia A is calculated from following equation on the basics of initial lower bracket size x, final lower bracket size y and distance from monitor l.
Horizontal bracket test without central stimulus is shown on picture 2. It's independent modification of classical horizontal bracket test, so there are no data about result interpretation.
During examination patient can independently move and resize lower bracket as previous.
Result is calculated and presented as previous.
