Conditions K - O         K     Keratitis   Molluscum Keratoconjunctivitis   Mucocele Keratoconus   Multiple sclerosis L   Myasthenia gravis Lacrimal obstruction   Myopia Lazy eye   Myositis M   N Macroaneurysm   Nystagmus Macula degeneration   Naso-lacrimal duct obstruction Macula hole   O Macula oedema   Ocular albinism Malignant eyelid tumours   Oculo-cutaneous albinism Marginal keratitis   Oculomotor nerve palsy Meibomian cyst   Optic atrophy Melanoma of conjunctiva   Optic neuropathy Melanoma of skin   Orbital inflammation Metastasis   Orbital tumours Migraine     Milia