PALS Syndrome Post-LASIK

Noel Alpins, George Stamatelatos
2019 US Ophthalmic Review  
A 34-year-old male presented complaining of ongoing symptoms of glare, ghosting, starbursts, haloes, and reduced contrast sensitivity commonly referred to by the acronym "GASH". His unaided visual acuity achieved was a satisfactory 20/20 in each eye. To reduce his symptoms and enable driving at night, he must resort to shining the torch from his cell phone into his eyes to constrict his pupils. These symptoms are due to excess corneal astigmatism remaining, and is prevalent post refractive
more » ... surgery when treatment is based on refractive parameters alone without any regard for corneal measures and having ocular residual astigmatism greater than 1.00D preoperatively. In this commonly prevalent clinical situation, corneal astigmatism postoperatively will be more than 1.00D, together with a significant risk of one or more symptoms of glare, starbursts, or haloes which, when they occur together, is known as predictable avoidable laser-assisted in situ keratomileusis surprise (PALS) syndrome.
doi:10.17925/usor.2019.12.1.37 fatcat:akw7kp5f6bbgvdulrs7oqyq2fq