Presentation
Patient AA (age 56) presented to our clinic complaining of fluctuating vision throughout the day which he had first noticed some two years ago. A number of eye tests were performed by different practitioners over the subsequent few months, the results of which were significantly different.
Relevant history
The patient had undergone radial keratotomy in 1986 to correct myopia. The pre-operative refraction had been:
R: -3.50 DS
L: -3.00 DS.
Post-operative refractions had varied considerably.
Action taken
To investigate the symptoms, we decided to proceed with phasing, repeated measurements of ocular parameters over a set period of time. The patient was seen at six different times during the same day, with the first measurements taken at 08:00 and the last at 21:00. During each visit we measured the following:
Register now to continue reading
Thank you for visiting Optician Online. Register now to access up to 10 news and opinion articles a month.
Register
Already have an account? Sign in here