ophthalmology
Ophthalmology, known as 'oftalmología' in Spanish, is the branch of medicine concerned with the study and treatment of disorders and diseases of the eye. It deals with the diagnosis and treatment of such conditions, and medical professionals who specialize in this area are called ophthalmologists. In general, 'Oftalmología' can refer to both the field of study and the medical practice itself.
My specialty is ophthalmology.
This is a statement that someone, most likely a doctor, would use to indicate that their professional specialty is ophthalmology (a branch of medicine and surgery concerned with the diagnosis and treatment of disorders of the eye).
The ophthalmology book you are looking for is in the library.
This phrase could possibly be something a librarian, teacher, or fellow student tells someone who is searching for a book on ophthalmology. This is a common way of saying that the book is located in the library.
Ophthalmology is a fascinating branch of medicine.
The speaker is expressing their fascination or keen interest with ophthalmology. This can be a form of compliment to the field or an expression of personal interest.