Since she has severe hypertension, this is the most likely cause. Treatment of the hypertension may resolve the blindness, however there is a chance it could be permanent. Mitzie has a very irregular rhythm, which cardiology diagnosed as a second degree AV block. We need to reevaluate when her blood pressure is under control. However, they are not concerned as long as she shows no clinical signs, such as syncope.
Cardiology recheck once blood pressure is under control.
She seems to be less weak, and possibly less ataxic. Still no menace. We can't see the horizontal nystagmus. BP still at 190 mm of Hg systolic and 130 mm of Hg diastolic. However if this is chronic, her values most likely will increase once we taper the fluids.