OPHTHALMOLOGY

Surgical robots at work

Jun 9, 2019 by in OPHTHALMOLOGY Comments Off on Surgical robots at work

Contents Classes of surgical robots 54 Human-robot input interfaces 56 Haptic and force feedbacks 57 Linking robots to navigation systems 58 Virtual fixtures 58 Giving robots surgical intelligence 59 This…

read more

Principles and concepts of surgical navigation

Jun 9, 2019 by in OPHTHALMOLOGY Comments Off on Principles and concepts of surgical navigation

Contents Spatial localization 10 Image dataset registration 13 Patient referencing system 15 Navigated surgical instrument calibration 15 Navigation with a surgical microscope 15 Augmented reality navigation 16 Computer-assisted surgery consists…

read more

Fundus

Jun 6, 2019 by in OPHTHALMOLOGY Comments Off on Fundus

VASCULAR LESIONS Haemorrhages Preretinal (subhyaloid) Location • The haemorrhage originates from the superficial retinal vessels and is located between the retina and posterior vitreous face. Signs • Usually solitary, round…

read more

Cornea

Jun 6, 2019 by in OPHTHALMOLOGY Comments Off on Cornea

ABNORMAL SIZE Small Microcornea Definition • A very rare, congenital, unilateral or bilateral AD or AR condition that has many ocular and systemic syndromic associations ( Table 5.1 ). Table…

read more

Ocular motility

Jun 6, 2019 by in OPHTHALMOLOGY Comments Off on Ocular motility

CONCOMITANT ESOTROPIA In a comitant deviation the angle is the same, or nearly the same, for all positions of gaze; the two types are non-accommodative and accommodative. Non-accommodative Early-onset (infantile)…

read more

Systemic signs

Jun 6, 2019 by in OPHTHALMOLOGY Comments Off on Systemic signs

FACE Facial rash Atopic eczema Signs • Dry, itchy, erythematous thickening of facial skin ( Fig. 15.1 ). Fig. 15.1 Look for • Staphylococcal blepharitis. • Vernal and atopic keratoconjunctivitis….

read more

Eyelids

Jun 6, 2019 by in OPHTHALMOLOGY Comments Off on Eyelids

DISORDERS OF LASHES Madarosis Signs • Decrease in number or complete loss of lashes. Causes • See Table 1.1 . Table 1.1 Causes of madarosis 1. Local • Chronic anterior…

read more

Iris

Jun 6, 2019 by in OPHTHALMOLOGY Comments Off on Iris

ANTERIOR UVEITIS Clinical features Acute Signs • Injection – intense and circumcorneal (ciliary – Fig. 8.1 ). Fig. 8.1 • Pupil – small. • Keratic precipitates (KP) – endothelium dusting…

read more
Premium Wordpress Themes by UFO Themes