Given an abstract, indicate which of the provided candidate titles (Option1 and Option2) best describes it (respond with the text of the title, not option1/2).

Abstract: Clinical and histopathological studies of two patients with distinctly different inherited juvenile retinal dystrophies indicate that the ocular defect in mitochondrial cytopathy involves the underlying pigment epithelium, whereas in the Laurence-Moon-Biedl syndrome the photoreceptor cells are primarily affected.
Which is the apt title for the abstract? option1: Histopathology of mitochondrial cytopathy and the Laurence-Moon-Biedl syndrome. option2: Mechanism of prevention of sudden death by nadolol: differential actions on arrhythmia triggers and substrate after myocardial infarction in the dog.
Histopathology of mitochondrial cytopathy and the Laurence-Moon-Biedl syndrome.