Acute and chronic hypertensive changes may manifest in the eyes, respectively, from acute changes from malignant hypertension and chronic changes from long-term, systemic hypertension. Ocular involvement in the setting of malignant hypertension was first described by Liebreich, in 1859.
Miniature Schnauzers have a very square-shaped build, measuring 13 to 14 inches (33 to 36 cm) tall and weighing 10 to 15 pounds (4.5 to 6.8 kg) for females and 11 to 18 pounds (5.0 to 8.2 kg) for males. They have a double coat, with wiry exterior fur and a soft undercoat.
The schnauzer type consists of three breeds: the giant, standard, and miniature. Toy and teacup are not breeds of schnauzer, but these common terms are used to market undersized or ill-bred miniature schnauzers.he Miniature Schnauzer is the result of crossing the original schnauzer with breeds including the poodle and the affenpinscher. Miniature Schnauzers are around 1 ft (30 cm) tall at the shoulder and weigh between 14 and 20 lb (6.4 and 9.1 kg) They have high energy levels and are very intelligent dogs.