This case report describes the clinical findings in a 5 years old neutered female cat presented with sudden onset of binocular blindness with cloudy appearance in both eyes. Systematic eye examination was performed after the anamnesis. Only intraocular pressure was increased in right eye. The examination of iris was not properly due to the opacity of humor aquosus. Liver function was checked in terms of diabetes and pancreatitis. Cholesterol and triglyceride levels were increased in blood analysis. The diagnosis was hyperlipidemia and hypertriglyceridemia. Dexamethasone (0.5 mg/kg) was applied to the subconjunctivaly; dexamethasone 0.1% w/v opthalmic solution drops (6 times in a day) and low-fat diet were recommended in the continuation of the treatment. The patient was immediately responded to the treatment within 36 hours. Aqueosus humor reached clear structure in both eyes. A visual activity was improve in the eyes. Post-operatively, the case was followed for 8 months. There were no complications encountered. This report is to contribute to increased awareness regarding the some ocular complications following diet programmes. In addition, the use of steroid ophthalmic solutions along with a diet program in the treatment protocol will accelerate the healing process quickly.