Is the SVOP CE Marked?
The SVOP instrument received CE Marking in 2012.
Is the SVOP Reimbursable under Existing Codes in the United States?
Reimbursement Consultants, Corcoran provide details of the Reimbursement Codes for using SVOP for Automated Perimetry and their opinion can be read in full, along with some questions regarding automated perimetry on the following link. Reimbursement Information Sheet
Does the patient have to fixate on a single point when using SVOP?
With the SVOP system the patient has free head and eye movement so does not have to maintain a single point fixation.
Does the SVOP Instrument have a head rest or chin rest?
Because the patient has free head movement there is no need for a chin or a head rest.
How far away does the patient have to sit from the screen?
The patient has free head movement within a virtual box 45-65cm from the screen (approximately).
Can the SVOP system only be used with children?
The SVOP system can be used to measure fields in the majority of adults and children.
What is the intensity of the visual stimuli?
The instrument uses a 14db fixed intensity stimuli.
Does a patient have to remove their spectacles or contact lenses for the test?
It is recommended that spectacles and contact lenses be removed for the SVOP test, but this is not always essential.
Can patients have problems with different styles of spectacle frames?
The style of glasses worn can occasionally cause a problem if the spectacle frame obscures the direct line of sight between the SVOP Eye Tracker and the pupil. As stated above it is recommended that the test be carried out without spectacles or contact lenses wherever possible.
Can the SVOP system carry out threshold testing?
At present the SVOP system does not carry out threshold testing.