Spinal Anesthesia for Knee Arthroscopy Using Isobaric Bupivacaine and Levobupivacaine: Anesthetic and Neuroophthalmological Assessment

Table 1

The neuroophthalmological symptoms questionnaire.

Symptoms	No	Yes
Headache
Nausea
Hypotension
Shivering
Dizziness
Eye pain
Blurred vision
Dimness of vision
Visual field loss
Feeling of palpebral heaviness
Photophobia
Difficulty reading or focusing on close objects
Diplopia