The operation of one or several diagnostic and treatment centers for ophthalmological pathologies, as well as any advisory and expert activities, rental, purchase and sale of medical equipment; the company may also grant loans or guarantees to associates or third parties if it serves its interests; it may perform all administrative and financial services for the account of third parties or its own account; the company may participate in other companies and establish branches and subsidiaries, both in Switzerland and abroad; it may acquire, hold and dispose of real estate and, in general, carry out any activity directly or indirectly related to its purpose.