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Ocular Diseases #8
Questions for Lasers (Last stack for Midterm)
Question | Answer |
---|---|
PRP (Pan Retinal Photocoagulation) is used to treat what three things? | Diabetic neovascularization (proliferative diabetic retinopathy) / Rubeosis Iridis- neovascularization of the iris / Central Retinal Vein Occlusion with areas of non-perfusion (ischemia) |
What does PRP do? | Treats ischemia- areas of non-perfusion to reduce stimulus for neovascularization. |
Retinal photocoagulation is usually performed using the following what eye drops? | Phenylephrine (mydriatic) / Cyclopentolate (cycloplegic) to dialate the pupils. |
Clinically significant macular edema may be treated with ____________________ and _________________. | Focal Argon Laser, Anti-VEGF agents (focal Rx is used to treat leakage spots just outside maculae) |
What laser is used to close off retinal holes? | Argon Laser |
What eye drop is used to prevent post-laser IOP pressure rise? | Apraclonidine (an alpha adrenergic, also known as Iopidine.) |
Apraclonidine is instilled before and following _____ and ______ in gluacoma Rx. | ALT, SLT |
Refractive surgery for myopia/astigmatism and hyperopia is performed with _____________. | Excimer Laser |
Which dye is injected IV for PDT (photo dynamic therapy)? | Verteporfin |
PDT (Photo Dynamic Therapy) is used to treat? | Wet ARMD |
The new Femtosecond laser can perform what four proceedures? | Cut flap for LASIK / Cut anterior capsulotomy in cataract surgery / Soften the cataract / Perform astigmatic incisions |
Which laser for glaucoma can be used multiple times because of less collateral damage? | SLT- Selective Laser Trabeculoplasty |
Which laser can only be used once? | ALT- Argon Laser Trabeculoplasty. |