Structure of the Neural Retina
Definition The structure of the neural retina reflects its embryological development and its ultimate purpose: the absorption and processing of photons of visible light. Key Feature • In a surgical…
Contact B-Scan Ultrasonography
Definition Diagnostic technique that is useful in the evaluation of intraocular and orbital contents. Key Features • High-frequency sound waves are emitted and received by a handheld transducer probe. •…
Intravitreal Injections and Medication Implants
Definition Intravitreal injections and implants, most often administered as an office procedure, are a safe, effective, and common method of delivering medication locally to the eye. Key Features • Topical…
Pediatric Cataract Surgery
Definition Cataracts occurring in the pediatric age group, arbitrarily defined as birth to adolescence. Key Features • Two main approaches are used to remove cataracts in children: pars plana and…
Manual Cataract Extraction
Definition Removal of crystalline lens by nonautomated or manual techniques. Key Features • Diversity of techniques for optimal cataract patient outcomes. • Intracapsular cataract extraction or large-incision full lens extraction….
Conjunctival Surgery
Definition Conjunctival procedures may be used to cover an unstable or painful corneal surface or to remove pterygia or other abnormal growths. Key Features • Careful preoperative planning is critical…
Retinal Pigment Epithelium
Definition A melanin-containing epithelial layer that lies between the neural retina and choroid. Key Features • Absorption of scattered light. • Control of fluid and nutrients in the subretinal space…
Combined Procedures
Definition Cataract surgery simultaneously combined with other ocular surgery. Key Features • Combined surgery for glaucoma and cataract is a valid option in management. • Minimally invasive glaucoma surgery (MIGS)…
Phacoemulsification
Definition A surgical technique to remove the nuclear portion of a cataractous lens using an aspirating and vibrating ultrasonic handpiece. Key Features • Changing phacoemulsification (“phaco”) “power” or “amplitude” is…
Intraocular Lens Power Calculations
Definition Intraocular lens (IOL) power calculation is a process to determine the optimal IOL power to achieve the desired refraction following cataract surgery. Key Features • Accurate IOL power calculation…
