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Introduction
Aripiprazole is a new drug belonging to a class of
atypical antipsychotics. It is a quinolinone derivative
with a high affinity for dopamine D2 and D3 receptors,
and serotonin 5-HT1A, 5-HT2A and 5-HT2B receptors
(1). It is used in the treatment of schizophrenia and
schizoaffective disorders, treatment resistant depres-
sion, bipolar disorder and obsessive-compulsive
disorder (2).
Commonly reported side eects include somnolence,
headache anxiety, insomnia, nausea, and vomiting (2).
Other less frequently reported side eects include par-
oxysmal supraventricular tachycardia, Pisa syndrome,
hiccups and rabbit syndrome (3). Out of 926 subjects
who received oral arpiprazole in short-term, placebo-
controlled trials, 3 subjects reported blurred vision. e
exact cause and nature of this visual complaint, however,
was not mentioned (4). Documented ocular side eects
of arpiprazole are rare. ere have been, to the best of
our knowledge, only 2 other cases of arpiprazole induced
transient myopia
Case history
We wish to report a case of acute transient myopia
caused by the use of arpiprazole. A 33-year-old male
patient reported to our hospital with a complaint of sud-
den painless blurring of vision in both eyes. ere was
no other ocular complaint and he had no prior history
of using glasses. His uncorrected visual acuity was 20/80
in both eyes. His best-corrected visual acuity was 20/20
in both eyes with a refractive error of−3.00 diopters.
Pupillary evaluation was normal with no aerent pupil-
lary defect. Ocular motility was normal in both eyes. Slit
lamp examination revealed shallow anterior chamber
depth. Gonioscopic examination showed the angles to
be moderately narrow: 20° (Grade II− Shaer’s classi-
cation) with a convex iris conguation. ere was no
evidence of pupillary block. Dilated fundus examination
was normal in both eyes. Intraocular pressure in both
eyes was 14 mm Hg. Systemically; the patient was not
a hypertensive or a diabetic and did not have a history
of substance abuse. He had, however been diagnosed
with schizophrenia and was being treated with tablet
CASE REPORT
Aripiprazole induced transient myopia: A case report and
review of literature
Akshay Gopinathan Nair1, Aditya Gopinathan Nair2, Ronnie Jacob George1, Jyotirmay Biswas1, and
Rashmin Anilkumar Gandhi1
1Sankara Nethralaya, A Unit of Medical Research Foundation, Nungambakkam, Chennai, India and 2Disha Psychiatric
Clinic, Chembur, National Burns Centre, Airoli, Mumbai, India
Abstract
Aripiprazole is a drug belonging to the group of atypical antipsychotics. Ocular side eects of aripiprazole are rare. We
report a case of transient myopia in a 33-year-old male who was being treated for schizophrenia with oral quetiapine
and was recently supplemented with aripiprazole. One month after the addition of aripiprazole the patient reported
sudden onset painless blurring of vision in both eyes. He was found to have myopia of−3.0 diopters in both eyes; his
corrected visual acuity being 20/20. He was advised to discontinue aripiprazole. Ten days later on examination, the
patient had an uncorrected visual acuity of 20/20 in both eyes. The stoppage of symptoms on stopping the drug
indicates a strong correlation between the drug and the adverse eect. Ophthalmologists and psychiatrists must be
aware of this reversible adverse drug reaction, so it may be treated promptly.
Keywords: Adverse drug reactions, drug induced myopia, aripiprazole
Address for Correspondence: Akshay Gopinathan Nair, Sankara Nethralaya, A Unit of Medical Research Foundation, Nungambakkam,
Chennai, 600006, India. E-mail: akshaygn@gmail.com
(Received 04 June 2011; revised 22 June 2011; accepted 01 July 2011)
Cutaneous and Ocular Toxicology, 2012; 31(1): 74–76
© 2012 Informa Healthcare USA, Inc.
ISSN 1556-9527 print/ISSN 1556-9535 online
DOI: 10.3109/15569527.2011.603106
Cutaneous and Ocular Toxicology
2012
31
1
74
76
04 June 2011
22 June 2011
01 July 2011
1556-9527
1556-9535
© 2012 Informa Healthcare USA, Inc.
10.3109/15569527.2011.603106
LCOT
603106
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Aripiprazole induced transient myopia 75
© 2012 Informa Healthcare USA, Inc.
quetiapine fumarate (Psynil, Crescent erapeutics,
Hyderabad, India) which had been titrated to daily
25 mg dose over three years. He was subsequently sup-
plemented with a daily dosing of 15 mg of arpiprazole
(Arpit, Crescent erapeutics, Hyderabad, India), 30
days prior to the onset of the ocular symptoms. Given
the clinical history, the normal intraocular pressures
and the open angles on gonioscopy, there was a high
degree of suspicion that the myopic shift was drug
induced. e patient was therefore not investigated. A
psychiatric referral was sought and subsequently oral
arpiprazole was stopped with the patient being under
close follow-up. e patient was re-examined 10 days
later and was found to have an uncorrected visual acu-
ity of 20/20. e anterior chamber was of normal depth
and the intraocular pressures were 14 mm Hg in both
eyes. Gonioscopy of both eyes showed the angles to be
widely open: 45° (grade IV) Dilated funduscopy was
normal.
Discussion
Acute, transient myopia may be caused by many drugs
(Table 1). e various mechanisms of drug-induced
myopia reported in literature are accommodation
spasm, ciliary body eusion, the eect of ocular sero-
tonergic, interneuronal bers, ciliary spasm, increase
in thickness of the lens and peripheral uveal eusion
(3,5). Ciliary body rotation and edema resulting in
forward movement of iris lens diaphragm has been
reported as another possiblility leading to acute myo-
pia (6).
Selvi et al. described a case of a 19-year-old female
who was treated with oral arpiprazole for obsessive-com-
pulsive symptoms (3). Fifteen days after the initiation
of 10 mg daily dose of aripiprazole therapy, the patient
developed myopia and diplopia, which resolved when
aripiprazole was stopped. Our case had no complaints of
diplopia. Kaya et al. have reported a case of a 21-year-old
female, diagnosed to have bipolar aective disorder on
sodium valproate (5). Oral aripiprazole 15 mg was added
when she presented with manic symptoms. Seven days
after the introduction of aripiprazole, she developed
myopia in both eyes, which disappeared 10 days after
stopping the drug (Table 2). It is also interesting to note
that the duration between the initiation of oral aripipra-
zole and the ocular symptoms in our case was substan-
tially longer than the other two case reports (30 days vs.
7 and 15 days).
We report this case of transient myopia, attributable
to the use of aripiprazole. e resolution of symptoms
on discontinuing the drug points to a strong co-relation
between the symptoms and the medication. Adverse
drug reactions such as sudden onset, transient myopia
can be distressing for patients. erefore, we believe that
clinicians prescribing aripiprazole must inform and edu-
cate the patients regarding this possible ocular adverse
eect. Ophthalmologists must be aware of this ocular
adverse eect, which may occur well after therapy is initi-
ated; promptly recognize it and stop the drug in order to
reverse the symptoms.
Table 1. List of drugs reported to have caused acute onset
myopia (not exhausative).
Acetazolamide (7)
Anti-lymphocytic globulins (8)
Aripiprazole (3,5)
Chlorthalidone (9)
Dapsone (10)
Disothiazide (11)
Hydrochlorthiazide (12)
Indapamide (13)
Levomepromazine (14)
Mefenamic Acid (15)
Metronidazole (11)
Sulfasalazine (16)
Topiramate (17)
Triamterene (12)
Table 2. Details of cases of aripiprazole induced transient myopia.
Age/Sex Diagnosis
Pre-existing
refractive error
Presenting
ocular
conditions
Myopia, in
diopters Medication in addition to Aripiprazole
Kaya et al(5). 21/F Bipolar aective
disorder
Nil Myopia OD: - 7
OS: - 8
Sodium Valproate
Selvi et al(3). 19/F Obsessive
Compulsive
symptoms
Nil Myopia,
Diplopia
OD: - 4.0
OS: - 4.5
Sertraline
Our Case 33/M Schizophrenia Nil Myopia OD: - 3.0
OS: - 3.0
Quetiapine
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76 A.G. Nair et al.
Cutaneous and Ocular Toxicology
Declaration of interest
e authors report no conict of interest. e authors
alone are responsible for the content and writing of
this paper.
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