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Ophthalmologie (Subject) / ophthalmologie (Lesson)

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  • A cataract operation is indicated to restore visual acuity and for congenital and traumatic cataracts
  • A newborn child with bilateral dense cataract should be operated as soon as possible usually before 2 months as it leads to ambylopia (lazy eye) 
  • A normal cornea is 11,5mm diameter and 0,5-0,6mm thick in the centre and 0,6-0,8mm thick at the periphery. The refractive power is approx 43 dioptres
  • A patient with anterior uveitis feels pain constantly worse during accomodation and sharp light 
  • A patient with suspected retinal detachment is examined by Optical Coherence Tomography (OCT) or with the indirect ophthalmoscope 
  • A peripheral iridectomoy is indicated in angle closure glaucoma
  • A peripheral paresis of the facial nerve causes lagophthalmos (inability to close eyelids completely, lagopthalmos leads to corneal drying and ulceration)
  • Accomodation is caused by relaxation of the zonular fibres and the parasympathetic nervous system 
  • Acute angle-closure glaucoma is treated by iridectomy
  • Acute conjunctivits is common, cilateral, mucopurulent, glossy and transparent cornea, normal IOP and normal visual cuity. Treated with antibiotics 
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  • Acute iritis photophobia, blepharospasm, little reflex lacrimation, decreased vision, miotic pupil (pinhole). Treated with steroids
  • After strabismus close eyes 
  • Age related macular degeneration does not end with complete blindness
  • Ambylopia can be found in concomitant strabismus 
  • Ambylopia is found most often in young children 
  • Ambylopia starts in early childhood
  • An emmetropic patient need at the age of 45 years usually presbyopic correction of +1D
  • Anisometropia means a different refractive power in each eye 
  • Anterior chamber is the chamber between the cornea an the iris 
  • Aphakia is the absence of the lens of the eye due to sugical removal, a perforating wound or ulcer, ot congenital anomaly

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