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Table 1 Timeline of our patient’s clinical course

From: Transient bilateral cataract during intensive glucose control: a case report

Dates Past medical history
  High blood glucose level 1 year before initial visit
Date Symptoms and medical findings Ophthalmic findings
Day 1 Fasting plasma glucose: 555 mg/dL Best corrected visual acuity: 20/20 in both eyes
HbA1c: 14.9% Refractive error: -3.25 diopters (D) in both eyes
Begins oral hypoglycemic agent Clear lenses
Diabetic retinopathy (-)
Day 2 Feels blurred vision  
Switches to insulin
Day 4 Fasting plasma glucose: 214 mg/dL Best corrected visual acuity: 20/40 in the right eye; 20/50 in the left eye
Bilateral subcapsular cataract
Retinal hemorrhage and exudates
Day 11 Cannot see well with his own glasses Visual acuity with his glasses: 20/40 in the right eye; 20/50 in the left eye
Best corrected visual acuity: 20/25 in both eyes
Refractive error: +1.0D in both eyes
Day 29 Better visual acuity Best corrected visual acuity: 20/25
Refractive error: -1.75D in both eyes
Clearer lens
  1. D diopters