Glaucoma

  • Double arcuate or ring shaped scotoma in glucoma develops when two arcuate scotomas join.
  • Most common cause of neovascular glaucoma Diabetes
  • Pupil in acute congestive glaucoma Vertically oval & semidilated
  • Patient with open angle glaucoma of myopia, complains of blurring of vision on administration of pilocarpine due to Small pupil
  • Pseudophakia is a cause of secondary angle closure glaucoma
  • Hundred day glaucoma is associated with CRVO
  • Neovascular glaucoma is caused by CRVO, CRAO, Diabetes mellitus
  • Tears of the iris sphincter and ciliary body is seen in angle recession glaucoma
  • Angle recession more than 180 degree in angle recession glaucoma
  • Secondary open angle glaucoma can occur in angle recession glaucoma
  • Frequent change in presbyopic correction is seen in open angle glaucoma
  • open angle glaucoma is most common with Open anterior chamber angle
  • In angle closure glaucoma Small cornea, shallower Anterior chamber & Short axial length of eyeball are the anatomical changes seen
  • Angle closure glaucoma may be associated with Hypermetropia
  • Most common etiolopathogenetic cause of glaucoma is Decreased outflow
  • Intractable secondary glaucoma is seen in Diffuse iris melanoma
  • Congenital glaucoma presents as Photophobia
  • First sign seen in open-angle glaucoma is Extension above blind spot
  • The most reliable provocative test for angle-closure glaucoma is Dark room test
  • In haemolytic glaucoma the mechanisms are Siderosis of trabeculae,Deposition of haemosiderin & RBC clogging the trabecular
  • Secondary glaucoma following corneal perforation is due to Peripheral anterior synechiae
  • The earliest change in glaucoma is Baring of the blind spot
  • In chronic simple glaucoma the most common field defect is Baring of blind spot
  • Inverse glaucoma occurs in Spherophakia
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