friends, can you identify these photos/ pictures? What are they collectively called? What are their uses?

History of grazing on crop field residues before 3 days, difficulty in standing, lean on wall with head and neck. On first approach, there was profuse salivation, difficult breathing, incordination, ataxia, almost blind.Temp. 100.5 ०F Symptomatic treatment (Atropine,Dexamethasone,Isoflupredone acetate) , fluid therapy, liver extract-B complex, Cal-mg-borogluconate have been done but no improvement. Please suggest diagnosis & treatment.

A 58 year old male presented with decreased vision & photophobia along with elevated intraocular pressure. This is the finding on examination. Can you diagnose the condition?

24 yrs F this type of lesion on both elbow & knee joints only Pls Dx n Rx

A pup of 1 month of age given overdose of inj ivermectin by a paravet three days ago.. Temp was 104 Its has gone.. dull blind and deaf.. Condition is deterioting day by day now Temp is 101 ..how to treat..??