Emerging Technologies in Low Vision — Flashcards

Flashcard 1: ICRS implantation is used for treatment of _____

Answer: Myopia and Keratoconus

Extra: Intracorneal Ring Segments (ICRS), such as Intacs, are thin plastic semi-circular rings inserted into the deep corneal stroma. 1. **Mechanism**: They flatten the central cornea. 2. **Indications**: - Mild to moderate myopia (-1.00 to -3.00 D). - Keratoconus (to reduce corneal irregularity and improve contact lens fit).

Flashcard 2: Early Treatment of Diabetic Retinopathy Study (ETDRS) Chart is used for measuring _____

Answer: visual acuity.

Flashcard 3: In Retinoblastoma, the _____ classification is used to predict which eyes would survive local therapy and retain useful vision.

Answer: Reese-Ellsworth classification

Flashcard 4: _____ blindness is the inability of a person to count fingers from a distance of 6 meters

Answer: Economic

Flashcard 5: _____ implant is a glaucoma drainage device

Answer: Ex-Press

Flashcard 6: _____ blindness is vision 1/60 to just perception of light

Answer: Manifest

Flashcard 7: _____ ERGs are used to evaluate responses starting from rod photoreceptors exposed to flash-light in darkness

Answer: Scotopic

Flashcard 8: Hruby lens provides a _____ field of vision with high magnification

Answer: small

Extra: Hruby lens is a -58.6 D plano-concave lens used for slit-lamp biomicroscopy. It provides an erect, virtual image with high magnification and a small field of view (approx. 5-8°).

Flashcard 9: _____ implant is a dexamethasone intravitreal implant used to treat secondary macular edema

Answer: Ozurdex