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BACKGROUND Epilepsy is the most common neurological condition reported in cats. Characterised by recurrent seizures, treatment involves the administration of anti-epileptic drugs up to multiple times a day. Epilepsy and its associated treatments may impact both cats and their owners. The present study aimed to assess factors associated with quality of life (QOL) in cats with epilepsy and the burden of care in their owners. METHODS An online survey was developed using demographic information and the following validated measures: cat QOL, Zarit burden interview (ZBI) and the cat owner relationship scale (CORS). Regression analysis was conducted using SPSS 26. RESULTS Responses were completed by 141 owners from 22 countries. QOL was significantly higher in cats with controlled seizures, no adverse effects from medication and epilepsy onset before 5 years of age. ZBI was significantly lower in owners who felt supported by their veterinarian, who were over 55 and had cats with controlled seizures. Higher CORS was significantly correlated with both higher cat QOL and lower owner ZBI. CONCLUSIONS Adequate seizure control and close cat-owner relationships may play an important role in mitigating the impact of epilepsy on cats and their owners. Further research into understanding cat-owner relationships and successfully controlling epilepsy in cats is needed.

Optical coherence tomography (OCT) is a powerful three-dimensional (3D) imaging modality with micrometer-scale axial resolution and up to multi-GigaVoxel/s imaging speed. However, the imaging range of high-speed OCT has been limited. Here, we report 3D OCT over cubic meter volumes using a long coherence length, 1310 nm vertical-cavity surface-emitting laser and silicon photonic integrated circuit dual-quadrature receiver technology combined with enhanced signal processing. We achieved 15 μm depth resolution for tomographic imaging at a 100 kHz axial scan rate over a 1.5 m range. We show 3D macroscopic imaging examples of a human mannequin, bicycle, machine shop gauge blocks, and a human skull/brain model. High-bandwidth, meter-range OCT demonstrates new capabilities that promise to enable a wide range of biomedical, scientific, industrial, and research applications., National Institutes of Health (U.S.) (R01- EY011289-30), National Institutes of Health (U.S.) (R01-CA075289-19), National Institutes of Health (U.S.) (RO1-CA178636-02), National Institutes of Health (U.S.) (R44- EY022864-03), United States. Air Force Office of Scientific Research (FA9550-12-1-0551), United States. Air Force Office of Scientific Research (FA9550-15-1-0473)