You need an immediate medical examination by an opthamalogical neurologist. As of yesterday.Symptoms such as you experience can be caused by momentary oclusion of a blood vessel. Essentially a possible TIA.
Incomplete synapses in the optical nerves ( the passing of an electrical or chemical signal from one neuron to another neuron) due to lack of nutrients,
electrolytes, fuel. Stress, improper diet & other unknown pathology at this time are underlying factors.
You need a complete medical evaluation.
Best wishes.
Niko