Below are the main rubriks (i.e strongest indications or symptoms) of Nat Mur in traditional homeopathic usage, not approved by the FDA.
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Itching in eyes.
Shootings, smarting, and burning in eyes.
Inflammation of eyes.
Corrosive lachrymation (morning).
Secretion of humour in external canthi.
Nocturnal agglutination of eyes.
Eyelids continually red and ulcerated.
Inflammation of eyes with ulcerated lids and glutinous mucus in (external) canthi.
Spasmodic closing of lids, esp. in morning, in the evening (during twilight) and at night.
Eyes give out on using them.
(Headache associated with eye-strain; esp. headache on waking.).
Feeling as if balls were too large and compressed.
Pressure in eyes on looking intently at anything.
Sensation of sand in eyes, mornings.
Cloudiness of sight when stooping and walking, as well as on reading and writing.
Sight confused, as from down before eyes, or looking through a veil.
Letters appear confused, when reading.
Weakness of sight, as from incipient amaurosis.
Black specks, luminous marks, and sparks before eyes.
Fiery, zigzag appearance around all things.
Affections of r. eye; angles of eyes; momentary loss of sight.
Myopia.≡ more ...