Ophthalmology Archives « Page 8 of 9

Absolute scotoma

An area of the visual field in which there is complete loss of perception of light

Retinoschisis

Separation within the sensory retina Occurs at the level of the outer plexiform layer and the inner nuclear layer Can be congenital or acquired Seen as a transparent,

Definitions

Relative scotoma

An area of the visual field in which the loss of vision is partial or may involve light of certain wavelength Seen in shallow retinal detatchment

Ophthalmology

Vitreous humor anatomy

Vitreous humor is the transparent, jelly like visual media occupying the posterior 4/5 of eyeball Volume – 4ml Formed of randomly arranged collagen fibers with spheroidal macromolecules of

Definitions

Patellar fossa of vitreous humor

Saucer shaped depression in the anterior part of vitreous humor. Occupied by the posterior surface of intraocular lens

Definitions

Space of Berger

Space between the posterior surface of the the intraocular lens and the patellar fossa of vitreous humor.

Ophthalmology

Direct ophtalmoscopy

Procedure ulitising a direct ophthalmoscope for visualising the ocular media and the fundus Principle Light is reflected into the eye using the direct ophthalmoscope The emergent rays from

Ophthalmology

Distant direct ophthalmoscopy

Used to get a preliminary idea about the status of the ocular media and fundus This should be done routinely before doing a direct ophthalmoscopy Equipment needed –

Ophthalmology

Ophthalmoscopy

Normal ocular fundus – as seen through an ophthalmoscope Click on image for an enlarged view Visualisation of the interior of the eye using an ophthalmoscope Used to

Category: Ophthalmology